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Unicellular organism

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1566:, with the parasitic ability to enter a cell. However, if the bacteria were capable of respiration, it would have been beneficial for the larger cell to allow the parasite to live in return for energy and detoxification of oxygen. Chloroplasts probably became symbionts through a similar set of events, and are most likely descendants of cyanobacteria. While not all eukaryotes have mitochondria or chloroplasts, mitochondria are found in most eukaryotes, and chloroplasts are found in all plants and algae. Photosynthesis and respiration are essentially the reverse of one another, and the advent of respiration coupled with photosynthesis enabled much greater access to energy than 1756: 1259: 29: 1579: 5323: 5333: 1346: 1250:, which is in contrast to eukaryotes, which typically have linear chromosomes. Nutritionally, prokaryotes have the ability to utilize a wide range of organic and inorganic material for use in metabolism, including sulfur, cellulose, ammonia, or nitrite. Prokaryotes are relatively ubiquitous in the environment and some (known as extremophiles) thrive in extreme environments. 1799:, unicellular algae that have siliceous cell walls. They are the most abundant form of algae in the ocean, although they can be found in fresh water as well. They account for about 40% of the world's primary marine production, and produce about 25% of the world's oxygen. Diatoms are very diverse, and comprise about 100,000 species. 1531:
Eukaryotic cells contain membrane bound organelles. Some examples include mitochondria, a nucleus, or the Golgi apparatus. Prokaryotic cells probably transitioned into eukaryotic cells between 2.0 and 1.4 billion years ago. This was an important step in evolution. In contrast to prokaryotes,
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growth. Archaea are generally similar in appearance to bacteria, hence their original classification as bacteria, but have significant molecular differences most notably in their membrane structure and ribosomal RNA. By sequencing the ribosomal RNA, it was found that the Archaea most likely split
1274:, which are short, circular, self-replicating DNA molecules that are separate from the bacterial chromosome. Plasmids can carry genes responsible for novel abilities, of current critical importance being antibiotic resistance. Bacteria predominantly reproduce asexually through a process called 1514:
are a significant subset of archaea and include many extremophiles, but are also ubiquitous in wetland environments as well as the ruminant and hindgut of animals. This process utilizes hydrogen to reduce carbon dioxide into methane, releasing energy into the usable form of
1222:, with the hydrophilic ends facing outwards. Primitive cells likely used self-assembling fatty-acid vesicles to separate chemical reactions and the environment. Because of their simplicity and ability to self-assemble in water, it is likely that these simple 1833: 108:, they are not specialised cells with differing functions. These organisms live together, and each cell must carry out all life processes to survive. In contrast, even the simplest multicellular organisms have cells that depend on each other to survive. 1309:
and trapped sediment left over from cyanobacteria and associated community bacteria, left behind extensive fossil records. The existence of stromatolites gives an excellent record as to the development of cyanobacteria, which are represented across the
1523:, some species of archaea aggregate and transfer DNA between cells. The function of this transfer appears to be to replace damaged DNA sequence information in the recipient cell by undamaged sequence information from the donor cell. 1559:
holds that mitochondria and chloroplasts have bacterial origins. Both organelles contain their own sets of DNA and have bacteria-like ribosomes. It is likely that modern mitochondria were once a species similar to
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Some archaea inhabit the most biologically inhospitable environments on earth, and this is believed to in some ways mimic the early, harsh conditions that life was likely exposed to. Examples of these Archaean
1708:, which are spear-like organelles that can be discharged to catch prey, anchor themselves, or for defense. Ciliates are also capable of sexual reproduction, and utilize two nuclei unique to ciliates: a 1642:
are capable of producing their energy using photosynthesis, while heterotrophic protozoa consume food by either funneling it through a mouth-like gullet or engulfing it with pseudopods, a form of
1604:. While there has been considerable debate on the classification of protozoa caused by their sheer diversity, in one system there are currently seven phyla recognized under the kingdom Protozoa: 2743:
Barton, Larry L.; Fardeau, Marie-Laure; Fauque, Guy D. (2014-01-01). "Hydrogen Sulfide: A Toxic Gas Produced by Dissimilatory Sulfate and Sulfur Reduction and Consumed by Microbial Oxidation".
1793:(green algae), mostly unicellular algae found in fresh water. The chlorophyta are of particular importance because they are believed to be most closely related to the evolution of land plants. 3352:
Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (2015-04-29).
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Compartmentalization was necessary for chemical reactions to be more likely as well as to differentiate reactions with the external environment. For example, an early RNA replicator
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may have replicated other replicator ribozymes of different RNA sequences if not kept separate. Such hypothetic cells with an RNA genome instead of the usual DNA genome are called '
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from bacteria and were the precursors to modern eukaryotes, and are actually more phylogenetically related to eukaryotes. As their name suggests, Archaea comes from a Greek word
1704:. Ciliates are widely abundant in almost all environments where water can be found, and the cilia beat rhythmically in order to propel the organism. Many ciliates have 5055: 3510:
Sugibayashi, Rika; Harumoto, Terue (2000-12-29). "Defensive function of trichocysts in Paramecium tetraurelia against heterotrich ciliate Climacostomum virens".
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Johnston C, Martin B, Fichant G, Polard P, Claverys JP (2014). "Bacterial transformation: distribution, shared mechanisms and divergent control".
897: 3953: 1407: 4804: 4104: 160: 1777:, flagellated, mostly unicellular algae that occur often in fresh water. In contrast to most other algae, they lack cell walls and can be 3902: 3435: 1934:, examples have been reported up to a centimetre thick with a surface area of over a square metre and weighed up to around 20 kg 1849:. Fungi are found in most habitats, although most are found on land. Yeasts reproduce through mitosis, and many use a process called 2915:
Falb, Michaela; Pfeiffer, Friedhelm; Palm, Peter; Rodewald, Karin; Hickmann, Volker; Tittor, Jörg; Oesterhelt, Dieter (2005-10-01).
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Bacteria are one of the world's oldest forms of life, and are found virtually everywhere in nature. Many common bacteria have
5071: 4831: 3994: 3563:"Entamoeba histolytica Dmc1 Catalyzes Homologous DNA Pairing and Strand Exchange That Is Stimulated by Calcium and Hop2-Mnd1" 3182: 2760: 2654: 2418: 2402: 2244: 4428: 1282:. Transformation is a bacterial process for transferring DNA from one cell to another, and is apparently an adaptation for 42:
with a diameter that ranges typically from 1 to 4 centimetres (0.4 to 1.6 in) is among the largest unicellular species
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is also an important model organism, since it is a eukaryotic organism that is easy to grow. It has been used to research
5154: 4074: 4816: 4476: 2719: 1519:. They are the only known organisms capable of producing methane. Under stressful environmental conditions that cause 3777: 2289: 115:, for example, are reproductive unicells for multicellular organisms. Additionally, multicellularity appears to have 4883: 3732: 1322:(540 million years ago to present day) eons. Much of the fossilized stromatolites of the world can be found in 4888: 4486: 3561:
Kelso AA, Say AF, Sharma D, Ledford LL, Turchick A, Saski CA, King AV, Attaway CC, Temesvari LA, Sehorn MG (2015).
1552:. Metabolic functions in eukaryotes are more specialized as well by sectioning specific processes into organelles. 1520: 1326:. There, some of the oldest stromatolites have been found, some dating back to about 3,430 million years ago. 5133: 5123: 5047: 4322: 1337:, and is apparently due to the accumulation of damage that can happen even in the absence of external stressors. 1219: 2996: 1901:, causing infections of the mouth and/or throat (known as thrush) and vagina (commonly called yeast infection). 1192:, early RNA molecules would have been the basis for catalyzing organic chemical reactions and self-replication. 5261: 5128: 4908: 4652: 4450: 4354: 4243: 3924: 3681: 3292: 2313:
Kleckner, Nancy; Fisher, Jay K.; Stouf, Mathieu; White, Martin A.; Bates, David; Witz, Guillaume (2014-12-01).
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repair of DNA damage and a greater range of genetic diversity by combining the DNA of the parents followed by
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are arguably the most successful bacteria, and changed the early atmosphere of the earth by oxygenating it.
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that likely employ meiotic recombination for repairing DNA damage acquired under stressful conditions.
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ferments carbohydrates into carbon dioxide and alcohol, and is used in the making of beer and bread.
1279: 1058: 775: 4955: 3831: 5249: 5113: 5085: 5060: 5017: 4920: 4853: 4728: 4601: 4569: 4542: 4532: 1881: 1859: 1636:. Protozoa, like plants and animals, can be considered heterotrophs or autotrophs. Autotrophs like 735: 399: 124: 4733: 4010: 3655:"Algae – Biology Encyclopedia – cells, plant, body, human, organisms, cycle, life, used, specific" 3411: 5357: 5254: 5184: 5093: 4821: 4703: 4471: 4067: 2010: 2002: 3778:"Microbiology Online | Microbiology Society | About Microbiology – Introducing microbes – Fungi" 5293: 4942: 4811: 4773: 4674: 4645: 4618: 4613: 4211: 3023: 2236: 2071: 1646:. While protozoa reproduce mainly asexually, some protozoa are capable of sexual reproduction. 1516: 1169: 795: 463: 176: 66: 4799: 2469:
Cui, Yanhua; Hu, Tong; Qu, Xiaojun; Zhang, Lanwei; Ding, Zhongqing; Dong, Aijun (2015-06-10).
5234: 5108: 5027: 5022: 5007: 4992: 4982: 4898: 4873: 4708: 4664: 4628: 4596: 4537: 4515: 4496: 4359: 4312: 4263: 4258: 4216: 3984: 2972: 2819: 2066: 1886: 1815: 1739: 1733: 1652: 1549: 1545: 1467:), prefer high pressure up to 130 MPa, such as deep ocean environments, including the genera 1291: 1144: 856: 5208: 5103: 5037: 4838: 4753: 4669: 4581: 4564: 4491: 4481: 4191: 4099: 4083: 3855: 3574: 3365: 3237: 3119: 2362: 2046: 1686:, or ciliates, are a group of protists that utilize cilia for locomotion. Examples include 116: 4843: 4713: 2917:"Living with two extremes: Conclusions from the genome sequence of Natronomonas pharaonis" 1286:
damage in the recipient cell. In addition, plasmids can be exchanged through the use of a
1278:. However, about 80 different species can undergo a sexual process referred to as natural 8: 5271: 5229: 5179: 5098: 4946: 4938: 4868: 4848: 4794: 4638: 4391: 4334: 4196: 4179: 4157: 2076: 917: 876: 4549: 3578: 3369: 3241: 3123: 2792: 5244: 5196: 5189: 4786: 4698: 4559: 4520: 4344: 4288: 4278: 4238: 4152: 4147: 4142: 4060: 3939: 3709:"Diatoms are the most important group of photosynthetic eukaryotes – Site du Genoscope" 3597: 3562: 3388: 3353: 3260: 3225: 3188: 3142: 3107: 3083: 3048: 2949: 2916: 2696: 2671: 2545: 2497: 2470: 2391: 2339: 2314: 2229: 2198: 2171: 2026: 1962: 1838: 1693: 1670: 1664: 1266:
in Shark Bay, Western Australia. It can take a century for a stromatolite to grow 5 cm.
1038: 937: 835: 34: 3523: 2471:"Plasmids from Food Lactic Acid Bacteria: Diversity, Similarity, and New Developments" 5332: 5286: 5012: 4960: 4738: 4554: 4455: 4418: 4413: 4369: 4364: 4317: 4283: 3990: 3920: 3750: 3602: 3459: 3393: 3265: 3178: 3147: 3088: 3070: 2954: 2936: 2879: 2774: 2766: 2756: 2701: 2650: 2612: 2591: 2537: 2502: 2398: 2344: 2240: 2203: 2152: 2061: 2056: 2051: 2018: 1918: 1910: 1755: 1658: 1401: 1323: 1306: 1275: 1242:. Instead, most prokaryotes have an irregular region that contains DNA, known as the 3192: 2549: 1731:
The Amebozoa utilize pseudopodia and cytoplasmic flow to move in their environment.
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is largely still a mystery, in the currently prevailing theory, known as the
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that consists of multiple cells. Organisms fall into two general categories:
3628:"algae Facts, information, pictures | Encyclopedia.com articles about algae" 3486: 3250: 3132: 2843: 2670:Łapińska, U; Glover, G; Capilla-Lasheras, P; Young, AJ; Pagliara, S (2019). 2188: 1770:. They include groups that have both multicellular and unicellular species: 1258: 5276: 5224: 5169: 5002: 4997: 4591: 4349: 3606: 3397: 3269: 3151: 3092: 2958: 2778: 2705: 2687: 2595: 2541: 2506: 2348: 2207: 2156: 1978: 1941: 1713: 1709: 1643: 1567: 1437: 1417:, optimum growth temperature of less than 15 °C, including the genera 1414: 1371: 1302: 1263: 1239: 977: 715: 3065: 2487: 5303: 5174: 4903: 4438: 4268: 4174: 4132: 3226:"Sex is a ubiquitous, ancient, and inherent attribute of eukaryotic life" 2041: 1898: 1790: 1767: 1724: 1601: 1578: 1453: 1432: 1389: 1383: 1378: 1319: 1315: 661: 623: 145: 70: 28: 4743: 3917:
The myxomycetes of Britain and Ireland : an identification handbook
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Hook, Sarah E.; Wright, André-Denis G.; McBride, Brian W. (2010-01-01).
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The Metal-Driven Biogeochemistry of Gaseous Compounds in the Environment
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Bernstein, Harris; Bernstein, Carol; Michod, Richard E. (January 2018).
2533: 1809:. Dinoflagellates can be mixotrophic, and are the algae responsible for 1540:. Sex appears to be a ubiquitous and ancient, and inherent attribute of 5164: 5065: 4987: 4974: 4608: 4408: 4295: 4273: 4226: 4221: 4169: 4137: 4052: 3049:"Methanogens: methane producers of the rumen and mitigation strategies" 2932: 2231:
The Vital Question – Energy, Evolution, and the Origins of Complex Life
1931: 1876: 1718: 1705: 1700: 1688: 1676: 1625: 1605: 1562: 1511: 1503: 1491: 1475: 1464: 1449: 1444: 1425: 1395: 1283: 1247: 1207: 997: 140: 74: 2880:"Extremophiles: An Overview of Microorganism from Extreme Environment" 85:. Many eukaryotes are multicellular, but some are unicellular such as 5298: 5149: 4758: 4376: 4124: 2224: 1954: 1854: 1806: 1778: 1613: 1609: 1593: 1541: 1497: 1485:, grow optimally in high salt concentrations between 0.2 M and 5.2 M 1482: 1460: 1200: 1189: 1181: 507: 447: 98: 3105: 1885:
has played a central role in understanding the mechanism of meiotic
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organisms. Most prokaryotes are unicellular and are classified into
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International Journal of Agriculture, Environment and Biotechnology
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were the precursors to today's unicellular organisms. Although the
1079: 528: 510: 134: 86: 78: 58: 2419:"Nature Fact Sheets – Stromatolites of Shark Bay » Shark Bay" 2170:
Coates, Juliet C.; Umm-E-Aiman; Charrier, Bénédicte (2015-01-01).
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Most multicellular organisms have a unicellular life-cycle stage.
4586: 4300: 2315:"The bacterial nucleoid: nature, dynamics and sister segregation" 1890: 1850: 1805:, unicellular flagellated algae, with some that are armored with 1744: 1683: 1638: 1537: 1533: 1311: 1271: 1215: 595: 562: 82: 2747:. Metal Ions in Life Sciences. Vol. 14. pp. 237–277. 2006:
is the largest bacterium, reaching a length of up to 20 mm
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Gupta, G.N.; Srivastava, S.; Khare, S.K.; Prakash, V. (2014).
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A bottom-dwelling community found deep in the European Arctic.
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are largely defined by their method of locomotion, including
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are placed in water, the hydrophobic tails aggregate to form
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John Wesley Tunnell; Ernesto A. Chávez; Kim Withers (2007).
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van Wolferen M, Wagner A, van der Does C, Albers SV (2016).
3800: 2877: 2519: 1974:, can reach a diameter of 1 to 4 cm (0.4 to 2 in) 1967: 1544:
life. Meiosis, a true sexual process, allows for efficient
1435:, optimum growth pH of greater than 8, including the genus 553: 39: 3351: 2997:""Extremophiles: Archaea and Bacteria" : Map of Life" 2720:"NOAA Ocean Explorer: Arctic Exploration 2002: Background" 3940:
Researchers Identify Mysterious Life Forms in the Desert.
3880:"Candidiasis | Types of Diseases | Fungal Diseases | CDC" 2873: 2871: 2869: 2867: 2865: 2863: 2169: 1447:, optimum growth pH of less than 3, including the genera 1161: 1120: 2914: 2567: 2312: 2131:"Self-assembly and function of primitive cell membranes" 1766:
Unicellular algae are plant-like autotrophs and contain
3649: 3647: 3354:"A Higher Level Classification of All Living Organisms" 2672:"Bacterial ageing in the absence of external stressors" 4011:"What is the Largest Biological Cell? (with pictures)" 3801:
Alba-Lois, Luisa; Segal-Kischinevzky, Claudia (2010).
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achieving a diameter of up to 20 cm (7.9 in)
1917:. However, some unicellular protists and bacteria are 1832: 1716:
that undergoes meiosis. Examples of such ciliates are
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with sexual capability include the pathogenic species
1318:(2.5 billion to 540 million years ago), and 3560: 2563: 2561: 2559: 3803:"Yeast Fermentation and the Making of Beer and Wine" 3644: 1904: 1781:(both autotrophic and heterotrophic). An example is 1234:
Prokaryotes lack membrane-bound organelles, such as
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predated other forms of early biological molecules.
3767: 3509: 2742: 2321:. Growth and development: eukaryotes/ prokaryotes. 155: 2556: 2390: 2363:"Eukaryotic Chromosome Structure | Science Primer" 2228: 1836:Transmission electron microscope image of budding 101:possibly emerging 3.5–4.1 billion years ago. 3046: 5349: 4033: 3919:. Slough, England: Richmond Pub. Co. p. 4. 2607: 2605: 2384: 2382: 1921:and visible to the naked eye. Examples include: 1314:(4 billion to 2.5 billion years ago), 2129:Pohorille, Andrew; Deamer, David (2009-06-23). 2128: 122:Some organisms are partially unicellular, like 4029: 4027: 3989:. Texas A&M University Press. p. 91. 3737:Smithsonian National Museum of Natural History 4068: 3481: 3479: 3204: 3202: 2602: 2379: 2219: 2217: 184: 128:. Additionally, unicellular organisms can be 3703: 3701: 3554: 3314:"Endosymbiosis and The Origin of Eukaryotes" 3217: 3099: 2513: 2468: 1998:, amoeba, 5 to 38 mm (0.2 to 1 in) 1712:for normal metabolic control and a separate 4036:"What Is the Largest Unicellular Organism?" 4024: 3018: 3016: 2814: 2812: 2638: 2636: 2634: 2632: 2475:International Journal of Molecular Sciences 2260: 2258: 2256: 2124: 2122: 2120: 1246:. Most prokaryotes have a single, circular 4075: 4061: 3986:Coral reefs of the southern Gulf of Mexico 3476: 3287: 3285: 3283: 3281: 3279: 3224:Speijer, D.; Lukeš, J.; Eliáš, M. (2015). 3199: 2214: 1759:A scanning electron microscope image of a 1357:, allowing extremophiles to survive using 191: 177: 151: 3751:"BL Web: Growing dinoflagellates at home" 3698: 3596: 3586: 3387: 3377: 3259: 3249: 3141: 3131: 3082: 3064: 2948: 2695: 2585: 2496: 2486: 2464: 2462: 2338: 2197: 2187: 2146: 1366:meaning original, ancient, or primitive. 5309:Transgenerational epigenetic inheritance 4082: 3903:Max Planck Society Research News Release 3832:"Saccharomyces cerevisiae – MicrobeWiki" 3676: 3674: 3013: 2809: 2642: 2629: 2253: 2117: 2022:, ciliates nicknamed trumpet animalcules 1831: 1754: 1577: 1344: 1257: 3436:"Ciliophora: ciliates, move with cilia" 3276: 3164: 2397:. Salem Press Encyclopedia of Science. 2266:"Exploring Life's Origins: Fatty Acids" 1944:, are the largest examples known, with 16:Organism that consists of only one cell 5350: 3622: 3620: 3618: 3616: 3341:. Salem Press Encyclopedia of Science. 3213:. Salem Press Encyclopedia of Science. 2459: 1157: 5072:Dialogues Concerning Natural Religion 4056: 3951: 3945: 3671: 3336: 3330: 3108:"The archaeal Ced system imports DNA" 2388: 1585:, a ciliate, with oral groove visible 169: 3208: 2613:"Fossil Record of the Cyanobacteria" 2223: 1827: 1750: 1353:Hydrothermal vents release heat and 1133: 1109: 1088: 1068: 1047: 1027: 1007: 986: 966: 946: 926: 906: 886: 865: 845: 824: 804: 784: 764: 744: 724: 704: 158: 3914: 3613: 119:many times in the history of life. 13: 4477:Evolutionary developmental biology 2676:Philos Trans R Soc Lond B Biol Sci 1990:, algae, may grow to 3 metres long 1909:Most unicellular organisms are of 1737:is the cause of amebic dysentery. 1305:, structures made up of layers of 104:Although some prokaryotes live in 14: 5369: 3733:"Algae Classification: DINOPHYTA" 2574:Infection, Genetics and Evolution 1905:Macroscopic unicellular organisms 5331: 5322: 5321: 3512:European Journal of Protistology 2643:McNamara, Kenneth (2009-09-01). 1913:size and are thus classified as 27: 5134:Extended evolutionary synthesis 4323:Gene-centered view of evolution 4034:Anne Helmenstine (2018-11-29). 4003: 3976: 3933: 3908: 3896: 3872: 3848: 3824: 3794: 3743: 3725: 3530: 3503: 3452: 3428: 3404: 3345: 3306: 3165:Witzany, Guenther, ed. (2017). 3158: 3040: 2989: 2965: 2908: 2836: 2785: 2736: 2712: 2663: 2435: 2411: 2319:Current Opinion in Microbiology 5262:Hologenome theory of evolution 5129:History of molecular evolution 4355:Evolutionarily stable strategy 4244:Last universal common ancestor 2896:10.5958/2230-732X.2014.00258.7 2355: 2306: 2282: 2163: 2095: 1879:. Furthermore, research using 1845:Unicellular fungi include the 1532:eukaryotes reproduce by using 1229: 703: 1: 5056:Renaissance and Enlightenment 3952:Bauer, Becky (October 2008). 3782:www.microbiologyonline.org.uk 3524:10.1016/S0932-4739(00)80047-4 3460:"Introduction to the Ciliata" 3440:www.microscope-microscope.org 2649:. Western Australian Museum. 2088: 2030:, largest colpodean ciliates. 1889:and the adaptive function of 1875:as well as to understand the 1813:. Some dinoflagellates, like 1526: 5267:Missing heritability problem 4894:Gamete differentiation/sexes 3588:10.1371/journal.pone.0139399 3379:10.1371/journal.pone.0119248 3230:Proc. Natl. Acad. Sci. U.S.A 3112:Proc. Natl. Acad. Sci. U.S.A 2753:10.1007/978-94-017-9269-1_10 2587:10.1016/j.meegid.2017.10.024 2570:"Sex in microbial pathogens" 2148:10.1016/j.resmic.2009.06.004 1857:is held by the mother cell. 7: 3167:Biocommunication of Archaea 2443:"Conjugation (prokaryotes)" 2034: 1940:, protozoans of the phylum 1573: 1253: 1158: 918:Earliest multicellular life 388: 10: 5374: 4899:Life cycles/nuclear phases 4451:Trivers–Willard hypothesis 4013:. Wisegeek.com. 2014-02-23 3538:"amoeba | protozoan order" 2176:Frontiers in Plant Science 1873:neurodegenerative diseases 1340: 61:that consists of a single 5317: 5217: 5142: 5046: 4973: 4929: 4784: 4688: 4505: 4464: 4397:Parent–offspring conflict 4333: 4202:Earliest known life forms 4123: 4090: 3954:"Gazing Balls in the Sea" 3175:10.1007/978-3-319-65536-9 2331:10.1016/j.mib.2014.10.001 1947:Syringammina fragilissima 1743:appears to be capable of 26: 21: 5250:Cultural group selection 5114:The eclipse of Darwinism 5086:On the Origin of Species 5061:Transmutation of species 3856:"Using yeast in biology" 3659:www.biologyreference.com 3337:Klose, Robert T (2015). 3293:"Origin of Mitochondria" 2389:Smith, Dwight G (2015). 2294:webprojects.oit.ncsu.edu 2135:Research in Microbiology 2104:An Introduction to Cells 2057:Individuality in biology 1860:Saccharomyces cerevisiae 344:−1000 — 324:−1500 — 304:−2000 — 284:−2500 — 264:−3000 — 244:−3500 — 224:−4000 — 204:−4500 — 201: 125:Dictyostelium discoideum 5255:Dual inheritance theory 5094:History of paleontology 3542:Encyclopedia Britannica 3491:Encyclopedia Britannica 3251:10.1073/pnas.1501725112 3133:10.1073/pnas.1513740113 2848:Encyclopedia Britannica 2189:10.3389/fpls.2014.00737 2011:Epulopiscium fishelsoni 2003:Thiomargarita magnifica 1489:, including the genera 364:−500 — 152:Evolutionary hypothesis 4943:Punctuated equilibrium 4264:Non-adaptive radiation 4212:Evolutionary arms race 3682:"siliceous cell walls" 2844:"archaea | prokaryote" 2724:oceanexplorer.noaa.gov 2688:10.1098/rstb.2018.0442 2072:Multicellular organism 1897:. are responsible for 1842: 1763: 1586: 1583:Paramecium tetraurelia 1517:adenosine triphosphate 1350: 1290:in a process known as 1280:genetic transformation 1267: 67:multicellular organism 55:single-celled organism 5235:Evolutionary medicine 5109:Mendelian inheritance 4817:Biological complexity 4805:Programmed cell death 4497:Phenotypic plasticity 4217:Evolutionary pressure 4207:Evidence of evolution 4105:Timeline of evolution 3487:"ciliate | protozoan" 3464:www.ucmp.berkeley.edu 3209:Yett, Jay R. (2015). 2617:www.ucmp.berkeley.edu 2488:10.3390/ijms160613172 2235:. WW Norton. p.  2067:Modularity in biology 1835: 1816:Pyrocystis fusiformis 1758: 1740:Entamoeba histolytica 1734:Entamoeba histolytica 1653:Plasmodium falciparum 1581: 1348: 1261: 117:evolved independently 5209:Teleology in biology 5104:Blending inheritance 4482:Genetic assimilation 4345:Artificial selection 4084:Evolutionary biology 3964:on 17 September 2010 3942:Accessed 2011-10-24. 3905:Accessed 21 May 2009 3755:biolum.eemb.ucsb.edu 3713:www.genoscope.cns.fr 3632:www.encyclopedia.com 3416:www.microbeworld.org 2820:"Archaeal Ribosomes" 2797:www.microbeworld.org 2270:exploringorigins.org 2047:Asexual reproduction 1853:, where most of the 1557:endosymbiotic theory 1333:occurs naturally in 1190:RNA world hypothesis 51:unicellular organism 22:Unicellular organism 5272:Molecular evolution 5230:Ecological genetics 5099:Transitional fossil 4889:Sexual reproduction 4729:endomembrane system 4658:pollinator-mediated 4614:dolphins and whales 4392:Parental investment 3915:Ing, Bruce (1999). 3579:2015PLoSO..1039399K 3370:2015PLoSO..1019248R 3242:2015PNAS..112.8827S 3124:2016PNAS..113.2496V 3066:10.1155/2010/945785 2534:10.1038/nrmicro3199 2522:Nat. Rev. Microbiol 2423:www.sharkbay.org.au 2077:Sexual reproduction 1297:The photosynthetic 898:Sexual reproduction 877:Huronian glaciation 5245:Cultural evolution 4360:Fisher's principle 4289:Handicap principle 4279:Parallel evolution 4143:Adaptive radiation 4038:. sciencenotes.org 3860:www.yourgenome.org 2933:10.1101/gr.3952905 2682:(1786): 20180442. 2481:(6): 13172–13202. 1963:Valonia ventricosa 1843: 1839:Ogataea polymorpha 1764: 1671:Giardia duodenalis 1665:Trypanosoma brucei 1587: 1351: 1268: 1203:' or 'ribocytes'. 1145:Quaternary ice age 1080:Earliest tetrapods 1039:Cambrian explosion 998:Cryogenian ice age 857:Atmospheric oxygen 836:Pongola glaciation 464:Multicellular life 416:Single-celled life 93:, and unicellular 53:, also known as a 35:Valonia ventricosa 5345: 5344: 4961:Uniformitarianism 4914:Sex-determination 4419:Sexual dimorphism 4414:Natural selection 4318:Unit of selection 4284:Signalling theory 3996:978-1-58544-617-9 3184:978-3-319-65535-2 3001:www.mapoflife.org 2927:(10): 1336–1343. 2762:978-94-017-9268-4 2656:978-1-920843-88-5 2404:978-1-58765-084-0 2367:scienceprimer.com 2246:978-0-393-08881-6 2062:Largest organisms 2052:Colonial organism 1828:Unicellular fungi 1819:, are capable of 1751:Unicellular algae 1659:Toxoplasma gondii 1463:, (also known as 1402:Thermus aquaticus 1359:chemolithotrophic 1324:Western Australia 1307:calcium carbonate 1178: 1177: 1162:million years ago 1153: 1152: 1132: 1131: 1108: 1107: 1087: 1086: 1067: 1066: 1059:Andean glaciation 1046: 1045: 1026: 1025: 1006: 1005: 985: 984: 965: 964: 945: 944: 925: 924: 905: 904: 885: 884: 864: 863: 844: 843: 823: 822: 803: 802: 783: 782: 763: 762: 743: 742: 723: 722: 47: 46: 5365: 5335: 5325: 5324: 5124:Modern synthesis 4884:Multicellularity 4879:Mosaic evolution 4764:auditory ossicle 4446:Social selection 4429:Flowering plants 4424:Sexual selection 4077: 4070: 4063: 4054: 4053: 4047: 4046: 4044: 4043: 4031: 4022: 4021: 4019: 4018: 4007: 4001: 4000: 3980: 3974: 3973: 3971: 3969: 3960:. Archived from 3949: 3943: 3937: 3931: 3930: 3912: 3906: 3900: 3894: 3893: 3891: 3890: 3876: 3870: 3869: 3867: 3866: 3852: 3846: 3845: 3843: 3842: 3828: 3822: 3821: 3819: 3818: 3807:Nature Education 3798: 3792: 3791: 3789: 3788: 3774: 3765: 3764: 3762: 3761: 3747: 3741: 3740: 3729: 3723: 3722: 3720: 3719: 3705: 3696: 3695: 3693: 3692: 3678: 3669: 3668: 3666: 3665: 3651: 3642: 3641: 3639: 3638: 3624: 3611: 3610: 3600: 3590: 3558: 3552: 3551: 3549: 3548: 3534: 3528: 3527: 3507: 3501: 3500: 3498: 3497: 3483: 3474: 3473: 3471: 3470: 3456: 3450: 3449: 3447: 3446: 3432: 3426: 3425: 3423: 3422: 3408: 3402: 3401: 3391: 3381: 3349: 3343: 3342: 3334: 3328: 3327: 3325: 3324: 3310: 3304: 3303: 3301: 3300: 3289: 3274: 3273: 3263: 3253: 3221: 3215: 3214: 3206: 3197: 3196: 3162: 3156: 3155: 3145: 3135: 3103: 3097: 3096: 3086: 3068: 3044: 3038: 3037: 3035: 3034: 3028:www.vet.ed.ac.uk 3020: 3011: 3010: 3008: 3007: 2993: 2987: 2986: 2984: 2983: 2969: 2963: 2962: 2952: 2912: 2906: 2905: 2903: 2902: 2875: 2858: 2857: 2855: 2854: 2840: 2834: 2833: 2831: 2830: 2816: 2807: 2806: 2804: 2803: 2789: 2783: 2782: 2740: 2734: 2733: 2731: 2730: 2716: 2710: 2709: 2699: 2667: 2661: 2660: 2640: 2627: 2626: 2624: 2623: 2609: 2600: 2599: 2589: 2565: 2554: 2553: 2517: 2511: 2510: 2500: 2490: 2466: 2457: 2456: 2454: 2453: 2439: 2433: 2432: 2430: 2429: 2415: 2409: 2408: 2396: 2386: 2377: 2376: 2374: 2373: 2359: 2353: 2352: 2342: 2310: 2304: 2303: 2301: 2300: 2286: 2280: 2279: 2277: 2276: 2262: 2251: 2250: 2234: 2221: 2212: 2211: 2201: 2191: 2167: 2161: 2160: 2150: 2126: 2115: 2114: 2113: 2112: 2099: 1995:Gromia sphaerica 1958:, foraminiferans 1927:Brefeldia maxima 1784:Euglena gracilis 1374:are as follows: 1355:hydrogen sulfide 1139: 1134: 1115: 1110: 1094: 1089: 1074: 1069: 1053: 1048: 1033: 1028: 1013: 1008: 992: 987: 978:Earliest animals 972: 967: 952: 947: 932: 927: 912: 907: 892: 887: 871: 866: 851: 846: 830: 825: 810: 805: 790: 785: 776:Earliest fossils 770: 765: 750: 745: 730: 725: 710: 705: 684: 653: 615: 613: 587: 585: 492: 385: 380: 375: 370: 365: 360: 355: 350: 345: 340: 335: 330: 325: 320: 315: 310: 305: 300: 295: 290: 285: 280: 275: 270: 265: 260: 255: 250: 245: 240: 235: 230: 225: 220: 215: 210: 205: 193: 186: 179: 173: 163: 156: 31: 19: 18: 5373: 5372: 5368: 5367: 5366: 5364: 5363: 5362: 5348: 5347: 5346: 5341: 5313: 5240:Group selection 5213: 5138: 5042: 4969: 4931:Tempo and modes 4925: 4780: 4684: 4501: 4460: 4336: 4329: 4306:Species complex 4119: 4110:History of life 4086: 4081: 4051: 4050: 4041: 4039: 4032: 4025: 4016: 4014: 4009: 4008: 4004: 3997: 3981: 3977: 3967: 3965: 3950: 3946: 3938: 3934: 3927: 3913: 3909: 3901: 3897: 3888: 3886: 3878: 3877: 3873: 3864: 3862: 3854: 3853: 3849: 3840: 3838: 3830: 3829: 3825: 3816: 3814: 3799: 3795: 3786: 3784: 3776: 3775: 3768: 3759: 3757: 3749: 3748: 3744: 3731: 3730: 3726: 3717: 3715: 3707: 3706: 3699: 3690: 3688: 3680: 3679: 3672: 3663: 3661: 3653: 3652: 3645: 3636: 3634: 3626: 3625: 3614: 3573:(9): e0139399. 3559: 3555: 3546: 3544: 3536: 3535: 3531: 3508: 3504: 3495: 3493: 3485: 3484: 3477: 3468: 3466: 3458: 3457: 3453: 3444: 3442: 3434: 3433: 3429: 3420: 3418: 3410: 3409: 3405: 3364:(4): e0119248. 3350: 3346: 3335: 3331: 3322: 3320: 3312: 3311: 3307: 3298: 3296: 3291: 3290: 3277: 3236:(29): 8827–34. 3222: 3218: 3207: 3200: 3185: 3163: 3159: 3118:(9): 2496–501. 3104: 3100: 3045: 3041: 3032: 3030: 3022: 3021: 3014: 3005: 3003: 2995: 2994: 2990: 2981: 2979: 2971: 2970: 2966: 2921:Genome Research 2913: 2909: 2900: 2898: 2876: 2861: 2852: 2850: 2842: 2841: 2837: 2828: 2826: 2818: 2817: 2810: 2801: 2799: 2791: 2790: 2786: 2763: 2741: 2737: 2728: 2726: 2718: 2717: 2713: 2668: 2664: 2657: 2641: 2630: 2621: 2619: 2611: 2610: 2603: 2566: 2557: 2518: 2514: 2467: 2460: 2451: 2449: 2441: 2440: 2436: 2427: 2425: 2417: 2416: 2412: 2405: 2387: 2380: 2371: 2369: 2361: 2360: 2356: 2311: 2307: 2298: 2296: 2288: 2287: 2283: 2274: 2272: 2264: 2263: 2254: 2247: 2222: 2215: 2168: 2164: 2127: 2118: 2110: 2108: 2101: 2100: 2096: 2091: 2086: 2037: 1907: 1830: 1821:bioluminescence 1803:Dinoflagellates 1753: 1576: 1546:recombinational 1529: 1343: 1256: 1232: 1174: 1173: 1165: 1149: 1148: 1137: 1128: 1127: 1113: 1104: 1103: 1092: 1083: 1082: 1072: 1063: 1062: 1051: 1042: 1041: 1031: 1022: 1021: 1019:Ediacaran biota 1011: 1002: 1001: 990: 981: 980: 970: 961: 960: 958:Earliest plants 950: 941: 940: 930: 921: 920: 910: 901: 900: 890: 881: 880: 869: 860: 859: 849: 840: 839: 828: 819: 818: 816:Earliest oxygen 808: 799: 798: 788: 779: 778: 768: 759: 758: 748: 739: 738: 728: 719: 718: 708: 701: 700: 699: 694: 693: 692: 687: 686: 685: 681: 679: 677: 675: 673: 671: 669: 667: 665: 663: 660: 656: 655: 654: 650: 648: 646: 644: 642: 640: 638: 636: 634: 632: 630: 629: 628: 627: 626: 625: 624: 622: 618: 617: 616: 611: 609: 607: 605: 603: 601: 599: 598: 597: 596: 594: 590: 589: 588: 583: 581: 579: 577: 575: 573: 571: 567: 566: 565: 558: 557: 556: 549: 548: 547: 540: 539: 538: 533: 532: 531: 524: 523: 522: 515: 514: 513: 503: 502: 501: 496: 495: 494: 490: 488: 486: 484: 482: 480: 475: 474: 473: 468: 467: 466: 459: 458: 457: 452: 451: 450: 443: 442: 441: 436: 435: 434: 427: 426: 425: 420: 419: 418: 411: 410: 409: 404: 403: 402: 395: 394: 393: 386: 383: 381: 378: 376: 373: 371: 368: 366: 363: 361: 358: 356: 353: 351: 348: 346: 343: 341: 338: 336: 333: 331: 328: 326: 323: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 296: 293: 291: 288: 286: 283: 281: 278: 276: 273: 271: 268: 266: 263: 261: 258: 256: 253: 251: 248: 246: 243: 241: 238: 236: 233: 231: 228: 226: 223: 221: 218: 216: 213: 211: 208: 206: 203: 197: 171: 165: 161: 154: 43: 38:, a species of 17: 12: 11: 5: 5371: 5361: 5360: 5358:Microorganisms 5343: 5342: 5340: 5339: 5329: 5318: 5315: 5314: 5312: 5311: 5306: 5301: 5296: 5291: 5290: 5289: 5279: 5274: 5269: 5264: 5259: 5258: 5257: 5252: 5247: 5237: 5232: 5227: 5221: 5219: 5215: 5214: 5212: 5211: 5206: 5205: 5204: 5199: 5194: 5193: 5192: 5182: 5177: 5172: 5167: 5162: 5152: 5146: 5144: 5140: 5139: 5137: 5136: 5131: 5126: 5121: 5116: 5111: 5106: 5101: 5096: 5091: 5090: 5089: 5080:Charles Darwin 5077: 5076: 5075: 5063: 5058: 5052: 5050: 5044: 5043: 5041: 5040: 5035: 5030: 5025: 5020: 5018:Non-ecological 5015: 5010: 5005: 5000: 4995: 4990: 4985: 4979: 4977: 4971: 4970: 4968: 4967: 4958: 4949: 4935: 4933: 4927: 4926: 4924: 4923: 4918: 4917: 4916: 4911: 4906: 4901: 4896: 4886: 4881: 4876: 4871: 4866: 4861: 4856: 4851: 4846: 4841: 4836: 4835: 4834: 4824: 4819: 4814: 4809: 4808: 4807: 4802: 4791: 4789: 4782: 4781: 4779: 4778: 4777: 4776: 4771: 4769:nervous system 4766: 4761: 4756: 4748: 4747: 4746: 4741: 4736: 4731: 4726: 4721: 4711: 4706: 4701: 4695: 4693: 4686: 4685: 4683: 4682: 4677: 4672: 4667: 4662: 4661: 4660: 4650: 4649: 4648: 4643: 4642: 4641: 4636: 4626: 4621: 4616: 4611: 4606: 4605: 4604: 4599: 4589: 4579: 4574: 4573: 4572: 4562: 4557: 4552: 4547: 4546: 4545: 4535: 4530: 4529: 4528: 4518: 4512: 4510: 4503: 4502: 4500: 4499: 4494: 4489: 4484: 4479: 4474: 4468: 4466: 4462: 4461: 4459: 4458: 4453: 4448: 4443: 4442: 4441: 4436: 4431: 4421: 4416: 4411: 4406: 4401: 4400: 4399: 4394: 4384: 4379: 4374: 4373: 4372: 4362: 4357: 4352: 4347: 4341: 4339: 4331: 4330: 4328: 4327: 4326: 4325: 4315: 4310: 4309: 4308: 4303: 4293: 4292: 4291: 4281: 4276: 4271: 4269:Origin of life 4266: 4261: 4256: 4254:Microevolution 4251: 4249:Macroevolution 4246: 4241: 4236: 4235: 4234: 4224: 4219: 4214: 4209: 4204: 4199: 4194: 4189: 4187:Common descent 4184: 4183: 4182: 4172: 4167: 4165:Baldwin effect 4162: 4161: 4160: 4155: 4145: 4140: 4135: 4129: 4127: 4121: 4120: 4118: 4117: 4112: 4107: 4102: 4097: 4091: 4088: 4087: 4080: 4079: 4072: 4065: 4057: 4049: 4048: 4023: 4002: 3995: 3975: 3944: 3932: 3925: 3907: 3895: 3871: 3847: 3823: 3793: 3766: 3742: 3724: 3697: 3670: 3643: 3612: 3553: 3529: 3518:(4): 415–422. 3502: 3475: 3451: 3427: 3403: 3344: 3329: 3305: 3275: 3216: 3198: 3183: 3157: 3098: 3039: 3012: 2988: 2964: 2907: 2859: 2835: 2808: 2784: 2761: 2735: 2711: 2662: 2655: 2628: 2601: 2555: 2512: 2458: 2447:www.nature.com 2434: 2410: 2403: 2378: 2354: 2305: 2281: 2252: 2245: 2213: 2162: 2141:(7): 449–456. 2116: 2093: 2092: 2090: 2087: 2085: 2084: 2079: 2074: 2069: 2064: 2059: 2054: 2049: 2044: 2038: 2036: 2033: 2032: 2031: 2023: 2015: 2007: 1999: 1991: 1983: 1975: 1959: 1951: 1938:Xenophyophores 1935: 1915:microorganisms 1906: 1903: 1829: 1826: 1825: 1824: 1800: 1794: 1788: 1752: 1749: 1618:Cavalier-Smith 1575: 1572: 1528: 1525: 1509: 1508: 1480: 1458: 1442: 1430: 1412: 1342: 1339: 1276:binary fission 1255: 1252: 1231: 1228: 1186:origin of life 1176: 1175: 1166: 1159: 1155: 1154: 1151: 1150: 1143: 1142: 1140: 1130: 1129: 1119: 1118: 1116: 1106: 1105: 1098: 1097: 1095: 1085: 1084: 1078: 1077: 1075: 1065: 1064: 1057: 1056: 1054: 1044: 1043: 1037: 1036: 1034: 1024: 1023: 1017: 1016: 1014: 1004: 1003: 996: 995: 993: 983: 982: 976: 975: 973: 963: 962: 956: 955: 953: 943: 942: 938:Earliest fungi 936: 935: 933: 923: 922: 916: 915: 913: 903: 902: 896: 895: 893: 883: 882: 875: 874: 872: 862: 861: 855: 854: 852: 842: 841: 834: 833: 831: 821: 820: 814: 813: 811: 801: 800: 796:LHB meteorites 794: 793: 791: 781: 780: 774: 773: 771: 761: 760: 754: 753: 751: 741: 740: 736:Earliest water 734: 733: 731: 721: 720: 714: 713: 711: 702: 697: 696: 695: 690: 689: 688: 659: 658: 657: 621: 620: 619: 593: 592: 591: 570: 569: 568: 561: 560: 559: 552: 551: 550: 543: 542: 541: 536: 535: 534: 527: 526: 525: 518: 517: 516: 506: 505: 504: 499: 498: 497: 478: 477: 476: 471: 470: 469: 462: 461: 460: 455: 454: 453: 446: 445: 444: 439: 438: 437: 432:Photosynthesis 430: 429: 428: 423: 422: 421: 414: 413: 412: 407: 406: 405: 398: 397: 396: 391: 390: 389: 387: 384:0 — 382: 377: 372: 367: 362: 357: 352: 347: 342: 337: 332: 327: 322: 317: 312: 307: 302: 297: 292: 287: 282: 277: 272: 267: 262: 257: 252: 247: 242: 237: 232: 227: 222: 217: 212: 207: 202: 199: 198: 196: 195: 188: 181: 170: 167: 166: 159: 153: 150: 89:, unicellular 73:organisms and 45: 44: 32: 24: 23: 15: 9: 6: 4: 3: 2: 5370: 5359: 5356: 5355: 5353: 5338: 5334: 5330: 5328: 5320: 5319: 5316: 5310: 5307: 5305: 5302: 5300: 5297: 5295: 5292: 5288: 5285: 5284: 5283: 5282:Phylogenetics 5280: 5278: 5275: 5273: 5270: 5268: 5265: 5263: 5260: 5256: 5253: 5251: 5248: 5246: 5243: 5242: 5241: 5238: 5236: 5233: 5231: 5228: 5226: 5223: 5222: 5220: 5216: 5210: 5207: 5203: 5200: 5198: 5195: 5191: 5188: 5187: 5186: 5185:Structuralism 5183: 5181: 5178: 5176: 5173: 5171: 5168: 5166: 5163: 5161: 5160:Catastrophism 5158: 5157: 5156: 5153: 5151: 5148: 5147: 5145: 5141: 5135: 5132: 5130: 5127: 5125: 5122: 5120: 5119:Neo-Darwinism 5117: 5115: 5112: 5110: 5107: 5105: 5102: 5100: 5097: 5095: 5092: 5088: 5087: 5083: 5082: 5081: 5078: 5074: 5073: 5069: 5068: 5067: 5064: 5062: 5059: 5057: 5054: 5053: 5051: 5049: 5045: 5039: 5036: 5034: 5033:Reinforcement 5031: 5029: 5026: 5024: 5021: 5019: 5016: 5014: 5011: 5009: 5006: 5004: 5001: 4999: 4996: 4994: 4991: 4989: 4986: 4984: 4981: 4980: 4978: 4976: 4972: 4966: 4965:Catastrophism 4962: 4959: 4957: 4956:Macromutation 4953: 4952:Micromutation 4950: 4948: 4944: 4940: 4937: 4936: 4934: 4932: 4928: 4922: 4919: 4915: 4912: 4910: 4907: 4905: 4902: 4900: 4897: 4895: 4892: 4891: 4890: 4887: 4885: 4882: 4880: 4877: 4875: 4872: 4870: 4867: 4865: 4862: 4860: 4859:Immune system 4857: 4855: 4852: 4850: 4847: 4845: 4842: 4840: 4837: 4833: 4830: 4829: 4828: 4825: 4823: 4820: 4818: 4815: 4813: 4810: 4806: 4803: 4801: 4798: 4797: 4796: 4793: 4792: 4790: 4788: 4783: 4775: 4772: 4770: 4767: 4765: 4762: 4760: 4757: 4755: 4752: 4751: 4749: 4745: 4742: 4740: 4737: 4735: 4732: 4730: 4727: 4725: 4722: 4720: 4719:symbiogenesis 4717: 4716: 4715: 4712: 4710: 4707: 4705: 4702: 4700: 4697: 4696: 4694: 4692: 4687: 4681: 4678: 4676: 4673: 4671: 4668: 4666: 4663: 4659: 4656: 4655: 4654: 4651: 4647: 4644: 4640: 4637: 4635: 4632: 4631: 4630: 4627: 4625: 4622: 4620: 4617: 4615: 4612: 4610: 4607: 4603: 4600: 4598: 4595: 4594: 4593: 4590: 4588: 4585: 4584: 4583: 4580: 4578: 4575: 4571: 4568: 4567: 4566: 4563: 4561: 4558: 4556: 4553: 4551: 4548: 4544: 4541: 4540: 4539: 4536: 4534: 4531: 4527: 4524: 4523: 4522: 4519: 4517: 4514: 4513: 4511: 4509: 4504: 4498: 4495: 4493: 4490: 4488: 4485: 4483: 4480: 4478: 4475: 4473: 4470: 4469: 4467: 4463: 4457: 4454: 4452: 4449: 4447: 4444: 4440: 4437: 4435: 4432: 4430: 4427: 4426: 4425: 4422: 4420: 4417: 4415: 4412: 4410: 4407: 4405: 4402: 4398: 4395: 4393: 4390: 4389: 4388: 4387:Kin selection 4385: 4383: 4382:Genetic drift 4380: 4378: 4375: 4371: 4368: 4367: 4366: 4363: 4361: 4358: 4356: 4353: 4351: 4348: 4346: 4343: 4342: 4340: 4338: 4332: 4324: 4321: 4320: 4319: 4316: 4314: 4311: 4307: 4304: 4302: 4299: 4298: 4297: 4294: 4290: 4287: 4286: 4285: 4282: 4280: 4277: 4275: 4272: 4270: 4267: 4265: 4262: 4260: 4257: 4255: 4252: 4250: 4247: 4245: 4242: 4240: 4237: 4233: 4230: 4229: 4228: 4225: 4223: 4220: 4218: 4215: 4213: 4210: 4208: 4205: 4203: 4200: 4198: 4195: 4193: 4190: 4188: 4185: 4181: 4178: 4177: 4176: 4173: 4171: 4168: 4166: 4163: 4159: 4156: 4154: 4151: 4150: 4149: 4146: 4144: 4141: 4139: 4136: 4134: 4131: 4130: 4128: 4126: 4122: 4116: 4113: 4111: 4108: 4106: 4103: 4101: 4098: 4096: 4093: 4092: 4089: 4085: 4078: 4073: 4071: 4066: 4064: 4059: 4058: 4055: 4037: 4030: 4028: 4012: 4006: 3998: 3992: 3988: 3987: 3979: 3963: 3959: 3955: 3948: 3941: 3936: 3928: 3922: 3918: 3911: 3904: 3899: 3885: 3881: 3875: 3861: 3857: 3851: 3837: 3833: 3827: 3812: 3808: 3804: 3797: 3783: 3779: 3773: 3771: 3756: 3752: 3746: 3738: 3734: 3728: 3714: 3710: 3704: 3702: 3687: 3686:www.mbari.org 3683: 3677: 3675: 3660: 3656: 3650: 3648: 3633: 3629: 3623: 3621: 3619: 3617: 3608: 3604: 3599: 3594: 3589: 3584: 3580: 3576: 3572: 3568: 3564: 3557: 3543: 3539: 3533: 3525: 3521: 3517: 3513: 3506: 3492: 3488: 3482: 3480: 3465: 3461: 3455: 3441: 3437: 3431: 3417: 3413: 3407: 3399: 3395: 3390: 3385: 3380: 3375: 3371: 3367: 3363: 3359: 3355: 3348: 3340: 3333: 3319: 3318:users.rcn.com 3315: 3309: 3294: 3288: 3286: 3284: 3282: 3280: 3271: 3267: 3262: 3257: 3252: 3247: 3243: 3239: 3235: 3231: 3227: 3220: 3212: 3205: 3203: 3194: 3190: 3186: 3180: 3176: 3172: 3168: 3161: 3153: 3149: 3144: 3139: 3134: 3129: 3125: 3121: 3117: 3113: 3109: 3102: 3094: 3090: 3085: 3080: 3076: 3072: 3067: 3062: 3058: 3054: 3050: 3043: 3029: 3025: 3024:"Methanogens" 3019: 3017: 3002: 2998: 2992: 2978: 2974: 2973:"Acidophiles" 2968: 2960: 2956: 2951: 2946: 2942: 2938: 2934: 2930: 2926: 2922: 2918: 2911: 2897: 2893: 2889: 2885: 2881: 2874: 2872: 2870: 2868: 2866: 2864: 2849: 2845: 2839: 2825: 2821: 2815: 2813: 2798: 2794: 2788: 2780: 2776: 2772: 2768: 2764: 2758: 2754: 2750: 2746: 2739: 2725: 2721: 2715: 2707: 2703: 2698: 2693: 2689: 2685: 2681: 2677: 2673: 2666: 2658: 2652: 2648: 2647: 2646:Stromatolites 2639: 2637: 2635: 2633: 2618: 2614: 2608: 2606: 2597: 2593: 2588: 2583: 2579: 2575: 2571: 2564: 2562: 2560: 2551: 2547: 2543: 2539: 2535: 2531: 2528:(3): 181–96. 2527: 2523: 2516: 2508: 2504: 2499: 2494: 2489: 2484: 2480: 2476: 2472: 2465: 2463: 2448: 2444: 2438: 2424: 2420: 2414: 2406: 2400: 2395: 2394: 2385: 2383: 2368: 2364: 2358: 2350: 2346: 2341: 2336: 2332: 2328: 2324: 2320: 2316: 2309: 2295: 2291: 2290:"Prokaryotes" 2285: 2271: 2267: 2261: 2259: 2257: 2248: 2242: 2238: 2233: 2232: 2226: 2220: 2218: 2209: 2205: 2200: 2195: 2190: 2185: 2181: 2177: 2173: 2166: 2158: 2154: 2149: 2144: 2140: 2136: 2132: 2125: 2123: 2121: 2106: 2105: 2098: 2094: 2083: 2082:Superorganism 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2063: 2060: 2058: 2055: 2053: 2050: 2048: 2045: 2043: 2040: 2039: 2029: 2028: 2024: 2021: 2020: 2016: 2014:, a bacterium 2013: 2012: 2008: 2005: 2004: 2000: 1997: 1996: 1992: 1989: 1988: 1984: 1981: 1980: 1976: 1973: 1972:Chlorophyceae 1970:of the class 1969: 1965: 1964: 1960: 1957: 1956: 1952: 1949: 1948: 1943: 1939: 1936: 1933: 1929: 1928: 1924: 1923: 1922: 1920: 1916: 1912: 1902: 1900: 1896: 1892: 1888: 1887:recombination 1884: 1883: 1882:S. cerevisiae 1878: 1874: 1870: 1866: 1865:S. cerevisiae 1862: 1861: 1856: 1852: 1848: 1841: 1840: 1834: 1822: 1818: 1817: 1812: 1808: 1804: 1801: 1798: 1795: 1792: 1789: 1786: 1785: 1780: 1776: 1773: 1772: 1771: 1769: 1762: 1757: 1748: 1746: 1742: 1741: 1736: 1735: 1729: 1727: 1726: 1721: 1720: 1715: 1711: 1707: 1703: 1702: 1697: 1696: 1691: 1690: 1685: 1681: 1679: 1678: 1673: 1672: 1667: 1666: 1661: 1660: 1655: 1654: 1649: 1645: 1641: 1640: 1635: 1631: 1630:Microsporidia 1627: 1623: 1619: 1617: 1611: 1607: 1603: 1599: 1595: 1591: 1584: 1580: 1571: 1569: 1565: 1564: 1558: 1553: 1551: 1550:recombination 1547: 1543: 1539: 1535: 1524: 1522: 1518: 1513: 1506: 1505: 1500: 1499: 1494: 1493: 1488: 1484: 1481: 1478: 1477: 1472: 1471: 1470:Methanococcus 1466: 1462: 1459: 1456: 1455: 1451: 1446: 1443: 1440: 1439: 1434: 1431: 1429: 1427: 1422: 1421: 1420:Methanogenium 1416: 1415:Psychrophiles 1413: 1411: 1409: 1404: 1403: 1398: 1397: 1392: 1391: 1386: 1385: 1380: 1377: 1376: 1375: 1373: 1372:extremophiles 1367: 1365: 1360: 1356: 1347: 1338: 1336: 1332: 1327: 1325: 1321: 1317: 1313: 1308: 1304: 1303:Stromatolites 1300: 1299:cyanobacteria 1295: 1293: 1289: 1285: 1284:repairing DNA 1281: 1277: 1273: 1265: 1264:stromatolites 1260: 1251: 1249: 1245: 1241: 1237: 1227: 1225: 1221: 1217: 1213: 1209: 1204: 1202: 1198: 1193: 1191: 1187: 1183: 1172: 1171: 1163: 1156: 1146: 1141: 1136: 1135: 1126: 1122: 1121:Earliest apes 1117: 1112: 1111: 1101: 1100:Karoo ice age 1096: 1091: 1090: 1081: 1076: 1071: 1070: 1060: 1055: 1050: 1049: 1040: 1035: 1030: 1029: 1020: 1015: 1010: 1009: 999: 994: 989: 988: 979: 974: 969: 968: 959: 954: 949: 948: 939: 934: 929: 928: 919: 914: 909: 908: 899: 894: 889: 888: 878: 873: 868: 867: 858: 853: 848: 847: 837: 832: 827: 826: 817: 812: 807: 806: 797: 792: 787: 786: 777: 772: 767: 766: 757: 752: 747: 746: 737: 732: 727: 726: 717: 712: 707: 706: 683: 652: 614: 586: 564: 555: 546: 530: 521: 512: 509: 493: 465: 449: 433: 417: 401: 200: 194: 189: 187: 182: 180: 175: 174: 168: 164: 162:Life timeline 157: 149: 147: 143: 142: 137: 136: 131: 130:multinucleate 127: 126: 120: 118: 114: 109: 107: 102: 100: 96: 92: 88: 84: 80: 76: 72: 68: 64: 60: 56: 52: 41: 37: 36: 30: 25: 20: 5294:Polymorphism 5277:Astrobiology 5225:Biogeography 5180:Saltationism 5170:Orthogenesis 5155:Alternatives 5084: 5070: 5003:Cospeciation 4998:Cladogenesis 4947:Saltationism 4904:Mating types 4827:Color vision 4812:Avian flight 4734:mitochondria 4472:Canalisation 4350:Biodiversity 4095:Introduction 4040:. 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Retrieved 2269: 2230: 2179: 2175: 2165: 2138: 2134: 2109:, retrieved 2107:, ThinkQuest 2103: 2097: 2025: 2017: 2009: 2001: 1993: 1985: 1979:Acetabularia 1977: 1961: 1953: 1945: 1942:Foraminifera 1925: 1908: 1880: 1864: 1858: 1844: 1837: 1814: 1782: 1775:Euglenophyta 1765: 1738: 1732: 1730: 1723: 1717: 1714:micronucleus 1710:macronucleus 1699: 1694: 1687: 1682: 1675: 1669: 1663: 1657: 1651: 1644:phagocytosis 1637: 1615: 1588: 1582: 1568:fermentation 1561: 1554: 1530: 1510: 1502: 1496: 1490: 1474: 1468: 1448: 1438:Natronomonas 1436: 1433:Alkaliphiles 1424: 1418: 1406: 1400: 1394: 1388: 1382: 1379:Thermophiles 1368: 1363: 1352: 1328: 1296: 1269: 1236:mitochondria 1233: 1205: 1194: 1179: 1168: 716:Earth formed 415: 139: 133: 123: 121: 110: 103: 54: 50: 48: 33: 5304:Systematics 5175:Mutationism 4993:Catagenesis 4921:Snake venom 4854:Eusociality 4832:in primates 4822:Cooperation 4750:In animals 4570:butterflies 4543:Cephalopods 4533:Brachiopods 4465:Development 4439:Mate choice 4192:Convergence 4175:Coevolution 4133:Abiogenesis 3884:www.cdc.gov 3836:MicrobeWiki 2977:www.els.net 2824:www.els.net 2325:: 127–137. 2042:Abiogenesis 1919:macroscopic 1911:microscopic 1899:candidiasis 1895:Candida spp 1791:Chlorophyta 1779:mixotrophic 1768:chlorophyll 1725:Tetrahymena 1706:trichocysts 1602:pseudopodia 1512:Methanogens 1461:Piezophiles 1454:Picrophilus 1445:Acidophiles 1408:Melanopyrus 1390:Pyrodictium 1384:Pyrobaculum 1320:Phanerozoic 1316:Proterozoic 1292:conjugation 1230:Prokaryotes 1208:amphiphiles 172:This box: 146:Myxogastria 71:prokaryotic 65:, unlike a 5165:Lamarckism 5143:Philosophy 5066:David Hume 5028:Peripatric 5023:Parapatric 5008:Ecological 4988:Anagenesis 4983:Allopatric 4975:Speciation 4939:Gradualism 4864:Metabolism 4724:chromosome 4714:Eukaryotes 4492:Modularity 4409:Population 4335:Population 4296:Speciation 4274:Panspermia 4227:Extinction 4222:Exaptation 4197:Divergence 4170:Cladistics 4158:Reciprocal 4138:Adaptation 4042:2020-01-07 4017:2014-03-01 3958:All at Sea 3926:0855462515 3889:2015-11-23 3865:2015-11-23 3841:2015-11-23 3817:2015-11-23 3787:2015-11-23 3760:2015-11-23 3718:2015-11-23 3691:2015-11-23 3664:2015-11-23 3637:2015-11-23 3547:2015-11-23 3496:2015-11-23 3469:2015-11-23 3445:2015-11-23 3421:2015-11-23 3412:"Protozoa" 3323:2015-11-23 3299:2015-11-23 3211:Eukaryotes 3059:: 945785. 3033:2015-11-22 3006:2015-11-22 2982:2015-11-22 2901:2015-11-22 2890:(2): 371. 2853:2015-11-22 2829:2015-11-22 2802:2015-11-22 2729:2015-11-22 2622:2015-11-22 2452:2015-11-22 2428:2015-11-22 2372:2015-11-22 2299:2015-11-22 2275:2015-10-28 2111:2013-05-30 2089:References 1932:slime mold 1877:cell cycle 1719:Paramecium 1701:Vorticella 1689:Paramecium 1684:Ciliophora 1677:Leishmania 1626:Percolozoa 1614:Choanozoa 1606:Euglenozoa 1563:Rickettsia 1542:eukaryotic 1527:Eukaryotes 1521:DNA damage 1504:Halococcus 1492:Haloarcula 1483:Halophiles 1476:Pyrococcus 1465:barophiles 1450:Sulfolobus 1426:Halorubrum 1396:Pyrococcus 1248:chromosome 1182:protocells 1180:Primitive 508:Arthropods 448:Eukaryotes 141:Plasmodium 99:protocells 75:eukaryotic 5299:Protocell 5150:Darwinism 5038:Sympatric 4787:processes 4675:Tetrapods 4624:Kangaroos 4550:Dinosaurs 4487:Inversion 4456:Variation 4377:Gene flow 4370:Inclusive 4180:Mutualism 4125:Evolution 3968:27 August 3075:1472-3654 2941:1088-9051 2793:"Archaea" 2771:1559-0836 1955:Nummulite 1855:cytoplasm 1807:cellulose 1680:species. 1610:Amoebozoa 1498:Haloferax 1364:archaios, 1224:membranes 1201:ribocells 529:Dinosaurs 5352:Category 5327:Category 5202:Vitalism 5197:Theistic 5190:Spandrel 4874:Morality 4869:Monogamy 4744:plastids 4709:Flagella 4665:Reptiles 4646:sea cows 4629:primates 4538:Molluscs 4516:Bacteria 4404:Mutation 4337:genetics 4313:Taxonomy 4259:Mismatch 4239:Homology 4153:Cheating 4148:Altruism 3607:26422142 3567:PLOS ONE 3398:25923521 3358:PLOS ONE 3339:Protozoa 3295:. Nature 3270:26195746 3193:26593032 3152:26884154 3093:21253540 2959:16169924 2779:25416397 2706:31587633 2596:29111273 2580:: 8–25. 2550:23559881 2542:24509783 2507:26068451 2393:Bacteria 2349:25460806 2227:(2015). 2208:25653653 2157:19580865 2035:See also 2027:Bursaria 1987:Caulerpa 1811:red tide 1695:Stentors 1648:Protozoa 1634:Sulcozoa 1622:Loukozoa 1594:flagella 1590:Protozoa 1574:Protozoa 1335:bacteria 1312:Archaean 1272:plasmids 1254:Bacteria 1244:nucleoid 1220:vesicles 1216:micelles 1197:ribozyme 1170:Ice Ages 563:Primates 511:Molluscs 135:Caulerpa 106:colonies 87:protozoa 79:bacteria 59:organism 57:, is an 5218:Related 5048:History 4909:Meiosis 4844:Empathy 4839:Emotion 4739:nucleus 4680:Viruses 4670:Spiders 4582:Mammals 4565:Insects 4365:Fitness 4301:Species 4100:Outline 3813:(9): 17 3598:4589404 3575:Bibcode 3389:4418965 3366:Bibcode 3261:4517231 3238:Bibcode 3143:4780597 3120:Bibcode 3084:3021854 3053:Archaea 2950:1240075 2697:6792439 2498:4490491 2340:4359759 2199:4299406 2182:: 737. 2019:Stentor 1982:, algae 1891:meiosis 1851:budding 1797:Diatoms 1745:meiosis 1639:Euglena 1570:alone. 1538:meiosis 1534:mitosis 1341:Archaea 1329:Clonal 1262:Modern 1240:nucleus 1138:← 1114:← 1093:← 1073:← 1052:← 1032:← 1012:← 991:← 971:← 951:← 931:← 911:← 891:← 870:← 850:← 829:← 809:← 789:← 769:← 749:← 729:← 709:← 545:Mammals 520:Flowers 379:– 374:— 369:– 359:– 354:— 349:– 339:– 334:— 329:– 319:– 314:— 309:– 299:– 294:— 289:– 279:– 274:— 269:– 259:– 254:— 249:– 239:– 234:— 229:– 219:– 214:— 209:– 132:, like 113:Gametes 83:archaea 5337:Portal 5013:Hybrid 4849:Ethics 4691:organs 4653:Plants 4639:lemurs 4634:humans 4619:horses 4609:hyenas 4597:wolves 4592:canids 4526:origin 3993:  3923:  3605:  3595:  3396:  3386:  3268:  3258:  3191:  3181:  3150:  3140:  3091:  3081:  3073:  2957:  2947:  2939:  2777:  2769:  2759:  2704:  2694:  2653:  2594:  2548:  2540:  2505:  2495:  2401:  2347:  2337:  2243:  2225:Lane N 2206:  2196:  2155:  1869:cancer 1847:yeasts 1761:diatom 1698:, and 1600:, and 1212:lipids 1125:humans 698:  691:  537:  500:  472:  456:  440:  424:  408:  392:  144:, and 4800:Death 4795:Aging 4774:brain 4560:Fungi 4521:Birds 4434:Fungi 4232:Event 4115:Index 3189:S2CID 2546:S2CID 1966:, an 1616:sensu 1598:cilia 1331:aging 1288:pilus 1238:or a 1210:like 1206:When 554:Birds 400:Water 95:fungi 91:algae 5287:Tree 4759:hair 4699:Cell 4602:dogs 4587:cats 4577:Life 4555:Fish 4508:taxa 3991:ISBN 3970:2010 3921:ISBN 3603:PMID 3394:PMID 3266:PMID 3179:ISBN 3148:PMID 3089:PMID 3071:ISSN 3057:2010 2955:PMID 2937:ISSN 2775:PMID 2767:ISSN 2757:ISBN 2702:PMID 2651:ISBN 2592:PMID 2538:PMID 2503:PMID 2399:ISBN 2345:PMID 2241:ISBN 2204:PMID 2153:PMID 1968:alga 1930:, a 1871:and 1722:and 1674:and 1632:and 1555:The 1536:and 1487:NaCl 1473:and 1452:and 1423:and 1405:and 1218:and 756:LUCA 192:edit 185:talk 178:view 81:and 63:cell 40:alga 4785:Of 4754:eye 4704:DNA 4689:Of 4506:Of 3593:PMC 3583:doi 3520:doi 3384:PMC 3374:doi 3256:PMC 3246:doi 3234:112 3171:doi 3138:PMC 3128:doi 3116:113 3079:PMC 3061:doi 2945:PMC 2929:doi 2892:doi 2749:doi 2692:PMC 2684:doi 2680:374 2582:doi 2530:doi 2493:PMC 2483:doi 2335:PMC 2327:doi 2194:PMC 2184:doi 2143:doi 2139:160 5354:: 4026:^ 3956:. 3882:. 3858:. 3834:. 3809:. 3805:. 3780:. 3769:^ 3753:. 3735:. 3711:. 3700:^ 3684:. 3673:^ 3657:. 3646:^ 3630:. 3615:^ 3601:. 3591:. 3581:. 3571:10 3569:. 3565:. 3540:. 3516:36 3514:. 3489:. 3478:^ 3462:. 3438:. 3414:. 3392:. 3382:. 3372:. 3362:10 3360:. 3356:. 3316:. 3278:^ 3264:. 3254:. 3244:. 3232:. 3228:. 3201:^ 3187:. 3177:. 3169:. 3146:. 3136:. 3126:. 3114:. 3110:. 3087:. 3077:. 3069:. 3055:. 3051:. 3026:. 3015:^ 2999:. 2975:. 2953:. 2943:. 2935:. 2925:15 2923:. 2919:. 2886:. 2882:. 2862:^ 2846:. 2822:. 2811:^ 2795:. 2773:. 2765:. 2755:. 2722:. 2700:. 2690:. 2678:. 2674:. 2631:^ 2615:. 2604:^ 2590:. 2578:57 2576:. 2572:. 2558:^ 2544:. 2536:. 2526:12 2524:. 2501:. 2491:. 2479:16 2477:. 2473:. 2461:^ 2445:. 2421:. 2381:^ 2365:. 2343:. 2333:. 2323:22 2317:. 2292:. 2268:. 2255:^ 2239:. 2237:77 2216:^ 2202:. 2192:. 2178:. 2174:. 2151:. 2137:. 2133:. 2119:^ 1893:. 1747:. 1692:, 1668:, 1662:, 1656:, 1628:, 1624:, 1620:, 1612:, 1608:, 1596:, 1501:, 1495:, 1399:, 1393:, 1387:, 1294:. 1123:/ 148:. 138:, 49:A 4963:/ 4954:/ 4945:/ 4941:/ 4076:e 4069:t 4062:v 4045:. 4020:. 3999:. 3972:. 3929:. 3892:. 3868:. 3844:. 3820:. 3811:3 3790:. 3763:. 3739:. 3721:. 3694:. 3667:. 3640:. 3609:. 3585:: 3577:: 3550:. 3526:. 3522:: 3499:. 3472:. 3448:. 3424:. 3400:. 3376:: 3368:: 3326:. 3302:. 3272:. 3248:: 3240:: 3195:. 3173:: 3154:. 3130:: 3122:: 3095:. 3063:: 3036:. 3009:. 2985:. 2961:. 2931:: 2904:. 2894:: 2888:7 2856:. 2832:. 2805:. 2781:. 2751:: 2732:. 2708:. 2686:: 2659:. 2625:. 2598:. 2584:: 2552:. 2532:: 2509:. 2485:: 2455:. 2431:. 2407:. 2375:. 2351:. 2329:: 2302:. 2278:. 2249:. 2210:. 2186:: 2180:5 2159:. 2145:: 1823:. 1787:. 1507:. 1479:. 1457:. 1441:. 1428:. 1410:. 1167:* 1164:) 1160:( 1147:* 1102:* 1061:* 1000:* 879:* 838:* 682:c 680:i 678:o 676:z 674:o 672:r 670:e 668:n 666:a 664:h 662:P 651:c 649:i 647:o 645:z 643:o 641:r 639:e 637:t 635:o 633:r 631:P 612:n 610:a 608:e 606:h 604:c 602:r 600:A 584:n 582:a 580:e 578:d 576:a 574:H 491:s 489:t 487:n 485:a 483:l 481:P

Index


Valonia ventricosa
alga
organism
cell
multicellular organism
prokaryotic
eukaryotic
bacteria
archaea
protozoa
algae
fungi
protocells
colonies
Gametes
evolved independently
Dictyostelium discoideum
multinucleate
Caulerpa
Plasmodium
Myxogastria
Life timeline
view
talk
edit
Water
Single-celled life
Photosynthesis
Eukaryotes

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