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Fitness (biology)

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47: 1560: 5706: 4356: 602: 805:, "Fitness is a property, not of an individual, but of a class of individuals—for example homozygous for allele A at a particular locus. Thus the phrase 'expected number of offspring' means the average number, not the number produced by some one individual. If the first human infant with a gene for levitation were struck by lightning in its pram, this would not prove the new genotype to have low fitness, but only that the particular child was unlucky." 5732: 5719: 4366: 2385: 589: 652: 784:
differs from individual fitness by including the ability of an allele in one individual to promote the survival and/or reproduction of other individuals that share that allele, in preference to individuals with a different allele. To avoid double counting, inclusive fitness excludes the contribution
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is the mean relative fitness in the population (again setting aside changes in frequency due to drift and mutation). Relative fitnesses only indicate the change in prevalence of different genotypes relative to each other, and so only their values relative to each other are important; relative
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Assigning relative fitness values to genotypes is mathematically appropriate when two conditions are met: first, the population is at demographic equilibrium, and second, individuals vary in their birth rate, contest ability, or death rate, but not a combination of these traits.
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in a given environment or time. The fitness of a genotype is manifested through its phenotype, which is also affected by the developmental environment. The fitness of a given phenotype can also be different in different selective environments.
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of 1864, vol. 1, p. 444, wrote: 'This survival of the fittest, which I have here sought to express in mechanical terms, is that which Mr. Darwin has called "natural selection", or the preservation of favoured races in the struggle for life.'"
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into different genotypes every generation; in this case, fitness values can be assigned to alleles by averaging over possible genetic backgrounds. Natural selection tends to make alleles with higher fitness more common over time, resulting in
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In the particular case that there are only two genotypes of interest (e.g. representing the invasion of a new mutant allele), the change in genotype frequencies is often written in a different form. Suppose that two genotypes
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measures the average fitness of a population of individuals, relative either to a theoretical genotype of optimal fitness, or relative to the most fit genotype actually present in the population. Consider n genotypes
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fitnesses can be any nonnegative number, including 0. It is often convenient to choose one genotype as a reference and set its relative fitness to 1. Relative fitness is used in the standard
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lower mean fitness. Genetic load may also increase when beneficial mutations increase the maximum fitness against which other mutations are compared; this is known as the
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In order to avoid the complications of sex and recombination, the concept of fitness is presented below in the restricted setting of an asexual population without
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Thus, a genotype's frequency will decline or increase depending on whether its fitness is lower or greater than the mean fitness, respectively.
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of the next generation, made by the same individuals of the specified genotype or phenotype. Fitness can be defined either with respect to a
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An absolute fitness larger than 1 indicates growth in that genotype's abundance; an absolute fitness smaller than 1 indicates decline.
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of other individuals to the survival and reproduction of the focal individual. One mechanism of inclusive fitness is
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The change in genotype frequencies due to selection follows immediately from the definition of relative fitness,
345: 313: 17: 1343: 5864: 5571: 5531: 5486: 5193: 5016: 4586: 4523: 4294: 4161: 3941: 3685: 3483: 3387: 3276: 2045:{\displaystyle \Delta p={\frac {w-{\overline {w}}}{\overline {w}}}p={\frac {w_{A}-w_{B}}{\overline {w}}}p(1-p)} 567: 350: 5643: 5328: 5308: 5245: 4696: 4565: 4506: 4359: 3946: 3690: 3429: 3065: 2601: 619: 606: 3891: 6100: 5794: 5757: 5491: 5263: 5083: 4706: 4674: 4582: 4299: 3801: 2335:{\displaystyle \Delta p={\frac {w-{\overline {w}}}{\overline {w}}}p={\frac {s}{1+sp}}p(1-p)\approx sp(1-p)} 537: 2971: 5839: 5737: 5303: 4538: 4369: 3963: 593: 6110: 6090: 5198: 5068: 5048: 4827: 4572: 4065: 3239: 1486: 93: 2563: 2520: 2162: 6105: 5960: 5834: 5618: 5589: 5476: 5390: 5298: 5273: 5098: 5063: 4839: 3859: 3656: 3466: 3234: 3127: 1403: 1186: 459: 434: 414: 394: 71: 3988: 1053: 6012: 5511: 5395: 5268: 5088: 5021: 4883: 4856: 4711: 4486: 4449: 4282: 4146: 4118: 4093: 4050: 3953: 3886: 3761: 3634: 3602: 3575: 3565: 449: 444: 419: 374: 340: 334: 323: 3766: 915: 5824: 5675: 5516: 5382: 5208: 5188: 5178: 4993: 4973: 4844: 4832: 4822: 4679: 4411: 4287: 4217: 4126: 3854: 3736: 3504: 3100: 2965: 2405: 2076:'s frequency depends crucially on the difference between its fitness and the fitness of genotype 1212: 775: 562: 469: 464: 409: 370: 171: 5809: 5633: 5628: 5603: 5551: 5546: 5386: 5378: 5369: 5364: 5333: 5225: 5011: 4948: 4701: 4620: 4326: 3975: 3844: 3806: 3707: 3678: 3651: 3646: 3244: 2699: 670: 661: 474: 429: 251: 146: 3832: 2904: 6051: 5945: 5940: 5844: 5660: 5623: 5521: 5430: 5425: 5400: 5128: 5108: 4958: 4878: 4851: 4782: 4550: 4267: 4141: 4060: 4055: 4040: 4025: 4015: 3931: 3906: 3741: 3697: 3661: 3629: 3570: 3548: 3529: 3392: 3345: 3296: 3291: 3249: 2740: 2695: 2137: 821: 572: 454: 399: 365: 278: 3075: 2349: 5897: 5613: 5420: 5405: 5373: 5360: 5221: 5133: 5001: 4968: 4943: 4797: 4761: 4655: 4625: 4444: 4241: 4136: 4070: 3871: 3786: 3702: 3614: 3597: 3524: 3514: 3224: 3132: 3116: 2868: 2750: 2735: 2703: 1791: 1764: 747: 723: 424: 196: 81: 38: 3876: 3746: 3000:(2001). The Two Faces of Fitness. In R. Singh, D. Paul, C. Krimbas, and J. Beatty (Eds.), 1521: 1004: 855: 8: 6041: 5917: 5804: 5780: 5680: 5445: 5230: 5148: 4689: 4633: 4560: 4304: 4262: 4212: 4131: 3979: 3971: 3901: 3881: 3827: 3671: 3424: 3367: 3229: 3212: 3190: 2919: 2745: 1838: 751: 715: 514: 504: 439: 404: 288: 191: 116: 51: 3582: 2872: 2768:
Wassersug, J. D., and R. J. Wassersug, 1986. Fitness fallacies. Natural History 3:34–37.
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or probability, rather than the actual number of offspring. For example, according to
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Whereas absolute fitness determines changes in genotype abundance, relative fitness (
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Thinking about Evolution: Historical, Philosophical, and Political Perspectives
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Pleiotrophy Blog--an interesting discussion of Sergey Gavrilets's contributions
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The term "Darwinian fitness" can be used to make clear the distinction with
6002: 5854: 5455: 4756: 4733: 4309: 4257: 4202: 4035: 4030: 3624: 3382: 3046: 2890: 2469: 2464: 1583:, which has a 1% greater relative fitness than the other genotype present, 499: 484: 268: 263: 181: 4380: 5594: 5506: 5450: 5288: 5073: 4772: 4591: 4336: 4207: 3936: 3471: 3301: 3207: 3165: 2398: 509: 226: 176: 3776: 5541: 5536: 5253: 4988: 4528: 4197: 4098: 4020: 4007: 3641: 3441: 3328: 3306: 3259: 3254: 3202: 3170: 3085: 809: 798: 283: 206: 161: 141: 55: 5749: 2372:. In other words, the fitter genotype's frequency grows approximately 6007: 5203: 4331: 4182: 3791: 3409: 3157: 760: 739: 731: 542: 156: 76: 3028: 1222:
Absolute fitnesses can be used to calculate relative fitness, since
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is the mean absolute fitness in the population). This implies that
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Alternatively, "the fitness of the individual—having an array x of
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Genetic load may increase when deleterious mutations, migration,
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Video: Using fitness landscapes to visualize evolution in action
2857:"Density-dependent selection and the limits of relative fitness" 770:. Fitness does not include a measure of survival or life-span; 755: 588: 2920:"Letter 5145 – Darwin, C. R. to Wallace, A. R., 5 July (1866)" 3540: 2905:"Letter 5140 – Wallace, A. R. to Darwin, C. R., 2 July 1866" 1333:{\displaystyle p(t+1)=n(t+1)/N(t+1)=(W/{\overline {W}})p(t)} 905:), and neglecting the change in genotype abundances due to 2684:{\displaystyle L={{w_{\max }-{\bar {w}}} \over w_{\max }}} 750:, it is sufficient to assign fitnesses to genotypes. With 2438:
A Mathematical Theory of Natural and Artificial Selection
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in an infinitely large population (so that there is no
2510:{\displaystyle \mathbf {A} _{1}\dots \mathbf {A} _{n}} 2820:( ed.). New Jersey: Blackburn Press. p. 5. 2633: 2610: 2566: 2523: 2479: 2352: 2223: 2165: 2145: 2122: 2102: 2082: 2062: 1941: 1867: 1841: 1821: 1794: 1767: 1747: 1727: 1615: 1589: 1569: 1524: 1489: 1433: 1406: 1346: 1228: 1189: 1172:{\displaystyle p(t+1)={\frac {w}{\overline {w}}}p(t)} 1120: 1056: 1036: 1007: 983: 918: 887: 858: 838: 695: 2427:was the first to quantify fitness, in terms of the 1476:{\displaystyle w/{\overline {w}}=W/{\overline {W}}} 2683: 2616: 2592: 2549: 2509: 2364: 2334: 2206: 2151: 2128: 2108: 2088: 2068: 2044: 1924: 1853: 1827: 1807: 1780: 1753: 1733: 1705: 1595: 1575: 1539: 1510: 1475: 1419: 1392: 1332: 1202: 1171: 1103: 1042: 1022: 989: 957: 893: 873: 844: 701: 1925:{\displaystyle {\overline {w}}=w_{A}p+w_{B}(1-p)} 6077: 3004:. Cambridge University Press, pp. 309–321. 2674: 2648: 3013:"Fitness and its role in evolutionary genetics" 1555:Change in genotype frequencies due to selection 3066:BEACON Blog--Evolution 101: Fitness Landscapes 2855:Bertram, Jason; Masel, Joanna (January 2019). 5765: 4396: 3101: 2970:(2nd ed.). New York: Springer. pp.  2939: 2818:An introduction to population genetics theory 881:is the abundance of a genotype in generation 627: 2854: 2840:: CS1 maint: multiple names: authors list ( 1563:Increase in frequency over time of genotype 4410: 2452:The Genetical Evolution of Social Behaviour 1050:, and the relevant genotype's frequency is 1030:is the total population size in generation 5772: 5758: 4403: 4389: 3108: 3094: 1393:{\displaystyle N(t+1)={\overline {W}}N(t)} 634: 620: 3081:Stanford Encyclopedia of Philosophy entry 3036: 2880: 5567:Transgenerational epigenetic inheritance 4342:Transgenerational epigenetic inheritance 3115: 2704:substitutional load or cost of selection 2383: 1558: 792: 5779: 2756: 2346:where the last approximation holds for 14: 6078: 6065:Index of evolutionary biology articles 3010: 2815: 5753: 5059:Psychological effects of Internet use 4384: 4105:Dialogues Concerning Natural Religion 3089: 2963: 2816:Kimura, James F. Crow, Motoo (1970). 815: 645: 5039:Digital media use and mental health 2897: 972: 827: 24: 4670:Automatic and controlled processes 3510:Evolutionary developmental biology 2224: 1942: 1616: 25: 6127: 5079:Smartphones and pedestrian safety 3054: 1511:{\displaystyle W/{\overline {W}}} 997:) determines changes in genotype 5730: 5717: 5705: 5704: 5104:Mobile phones and driving safety 4364: 4355: 4354: 2967:Mathematical population genetics 2593:{\displaystyle p_{1}\dots p_{n}} 2550:{\displaystyle w_{1}\dots w_{n}} 2497: 2482: 2207:{\displaystyle w_{A}=(1+s)w_{B}} 650: 601: 600: 587: 45: 6096:Modern synthesis (20th century) 5007:Computer-mediated communication 4167:Extended evolutionary synthesis 3356:Gene-centered view of evolution 2991: 2922:. Darwin Correspondence Project 2907:. Darwin Correspondence Project 2798:A Primer of Population Genetics 2716:Gene-centered view of evolution 2458: 1420:{\displaystyle {\overline {W}}} 1203:{\displaystyle {\overline {w}}} 594:Evolutionary biology portal 5865:Constructive neutral evolution 5284:Empathising–systemising theory 4587:female intrasexual competition 4524:Evolutionarily stable strategy 4295:Hologenome theory of evolution 4162:History of molecular evolution 3388:Evolutionarily stable strategy 3277:Last universal common ancestor 2957: 2861:Theoretical Population Biology 2848: 2809: 2790: 2771: 2762: 2662: 2329: 2317: 2305: 2293: 2191: 2179: 2039: 2027: 1919: 1907: 1700: 1694: 1655: 1649: 1640: 1628: 1534: 1528: 1387: 1381: 1362: 1350: 1327: 1321: 1315: 1294: 1288: 1276: 1265: 1253: 1244: 1232: 1166: 1160: 1136: 1124: 1104:{\displaystyle p(t)=n(t)/N(t)} 1098: 1092: 1081: 1075: 1066: 1060: 1017: 1011: 952: 946: 934: 922: 868: 862: 797:Fitness is often defined as a 553:Creation–evolution controversy 307:History of evolutionary theory 13: 1: 6086:Evolutionary biology concepts 5644:Standard social science model 4697:Cognitive tradeoff hypothesis 4089:Renaissance and Enlightenment 2602:frequency-dependent selection 2435:starting with his 1924 paper 2429:modern evolutionary synthesis 2423:The British-Indian biologist 2056:Thus, the change in genotype 722:representation of individual 27:Expected reproductive success 5815:Fisher's fundamental theorem 5492:Missing heritability problem 5084:Social aspects of television 4707:Evolution of nervous systems 4675:Computational theory of mind 4300:Missing heritability problem 3927:Gamete differentiation/sexes 2257: 2247: 2018: 1975: 1965: 1873: 1685: 1675: 1503: 1468: 1447: 1412: 1373: 1340:(we have used the fact that 1310: 1195: 1151: 958:{\displaystyle n(t+1)=Wn(t)} 538:Evolution as fact and theory 7: 5840:Coefficient of relationship 5738:Evolutionary biology portal 2943:Better Competition Advocacy 2709: 2517:, which have the fitnesses 659:It has been suggested that 10: 6132: 5699:Evolutionary psychologists 5572:Trivers–Willard hypothesis 5487:Human–animal communication 5199:Ovulatory shift hypothesis 5049:Imprinted brain hypothesis 5017:Human–computer interaction 3932:Life cycles/nuclear phases 3484:Trivers–Willard hypothesis 2933:^ "Herbert Spencer in his 2462: 2379: 754:, recombination scrambles 726:. It is also equal to the 573:Nature-nurture controversy 6060: 5995: 5969: 5931: 5906: 5873: 5835:Coefficient of inbreeding 5787: 5693: 5619:Environmental determinism 5590:Cultural selection theory 5582: 5477:Evolutionary epistemology 5464: 5391:evolutionary neuroscience 5353: 5346: 5244: 5119: 5064:Rank theory of depression 4987: 4911: 4813: 4619: 4612: 4566:Parent–offspring conflict 4475: 4418: 4350: 4250: 4175: 4079: 4006: 3962: 3817: 3721: 3538: 3497: 3430:Parent–offspring conflict 3366: 3235:Earliest known life forms 3156: 3123: 2964:Ewens, Warren J. (2003). 2882:10.1016/j.tpb.2018.11.006 2777:Maynard-Smith, J. (1989) 2445:by the British biologist 676:Proposed since July 2024. 460:Evolutionary neuroscience 435:Evolutionary epistemology 415:Evolutionary anthropology 395:Applications of evolution 6013:Evolutionary game theory 5795:Hardy–Weinberg principle 5512:Cultural group selection 5396:Biocultural anthropology 5089:Societal impacts of cars 5022:Media naturalness theory 4712:Fight-or-flight response 4283:Cultural group selection 4147:The eclipse of Darwinism 4119:On the Origin of Species 4094:Transmutation of species 2624:) may be calculated as: 2449:in 1964 in his paper on 1219:of population genetics. 450:Evolutionary linguistics 445:Evolutionary game theory 420:Evolutionary computation 5825:Shifting balance theory 5712:Evolutionary psychology 5676:Sociocultural evolution 5517:Dual inheritance theory 4974:Personality development 4435:Theoretical foundations 4412:Evolutionary psychology 4288:Dual inheritance theory 4127:History of paleontology 2600:respectively. Ignoring 2406:survival of the fittest 776:survival of the fittest 774:'s well-known phrase " 563:Objections to evolution 470:Evolutionary psychology 465:Evolutionary physiology 410:Evolutionary aesthetics 389:Fields and applications 371:History of paleontology 5810:Linkage disequilibrium 5634:Social constructionism 5629:Psychological nativism 5604:Biological determinism 5552:Recent human evolution 5547:Punctuated equilibrium 5370:Behavioral epigenetics 5365:evolutionary economics 5334:Variability hypothesis 5279:Emotional intelligence 5012:Engineering psychology 4702:Evolution of the brain 3976:Punctuated equilibrium 3297:Non-adaptive radiation 3245:Evolutionary arms race 3076:Evolution A-Z: Fitness 3011:Orr HA (August 2009). 2685: 2618: 2594: 2551: 2511: 2391: 2366: 2365:{\displaystyle s\ll 1} 2336: 2208: 2153: 2130: 2110: 2090: 2070: 2046: 1926: 1855: 1829: 1809: 1782: 1755: 1735: 1707: 1603: 1597: 1577: 1541: 1512: 1477: 1421: 1394: 1334: 1204: 1173: 1105: 1044: 1024: 991: 959: 895: 875: 846: 832:The absolute fitness ( 703: 662:Organismal performance 495:Speciation experiments 475:Experimental evolution 430:Evolutionary economics 252:Recent human evolution 110:Processes and outcomes 6052:Quantitative genetics 5961:Balding–Nichols model 5946:Population bottleneck 5941:Small population size 5845:Selection coefficient 5661:Multilineal evolution 5624:Nature versus nurture 5583:Theoretical positions 5431:Functional psychology 5426:Evolutionary medicine 5401:Biological psychiatry 5109:Texting while driving 5099:Lead–crime hypothesis 4959:Cognitive development 4944:Caregiver deprivation 4455:Gene selection theory 4268:Evolutionary medicine 4142:Mendelian inheritance 3850:Biological complexity 3838:Programmed cell death 3530:Phenotypic plasticity 3250:Evolutionary pressure 3240:Evidence of evolution 3138:Timeline of evolution 2935:Principles of Biology 2779:Evolutionary Genetics 2741:Selection coefficient 2686: 2619: 2604:, then genetic load ( 2595: 2552: 2512: 2412:to characterise what 2410:Principles of Biology 2387: 2367: 2337: 2209: 2154: 2138:selection coefficient 2131: 2111: 2091: 2071: 2047: 1927: 1861:, respectively. Then 1856: 1830: 1810: 1808:{\displaystyle w_{B}} 1783: 1781:{\displaystyle w_{A}} 1756: 1736: 1708: 1598: 1578: 1562: 1542: 1513: 1478: 1422: 1395: 1335: 1205: 1174: 1106: 1045: 1025: 992: 960: 896: 876: 847: 822:genetic recombination 793:Fitness as propensity 704: 455:Evolutionary medicine 400:Biosocial criminology 366:History of speciation 279:Evolutionary taxonomy 242:Timeline of evolution 5923:Background selection 5910:on genomic variation 5908:Effects of selection 5860:Population structure 5614:Cultural determinism 5421:Evolutionary biology 5406:Cognitive psychology 5354:Academic disciplines 5002:Cognitive ergonomics 4969:Language acquisition 4949:Childhood attachment 4762:Wason selection task 4656:Behavioral modernity 4445:Cognitive revolution 4428:Evolutionary thought 4242:Teleology in biology 4137:Blending inheritance 3515:Genetic assimilation 3378:Artificial selection 3117:Evolutionary biology 2796:Hartl, D. L. (1981) 2757:Notes and references 2751:Differential fitness 2736:Reproductive success 2631: 2608: 2564: 2559:genotype frequencies 2521: 2477: 2408:" in his 1864 work 2350: 2221: 2163: 2143: 2120: 2100: 2080: 2060: 1939: 1865: 1839: 1819: 1792: 1765: 1745: 1725: 1613: 1587: 1567: 1540:{\displaystyle N(t)} 1522: 1487: 1431: 1404: 1344: 1226: 1187: 1118: 1054: 1034: 1023:{\displaystyle N(t)} 1005: 981: 916: 885: 874:{\displaystyle n(t)} 856: 836: 748:asexual reproduction 728:average contribution 724:reproductive success 693: 669:into this article. ( 425:Evolutionary ecology 39:Evolutionary biology 6101:Population genetics 6042:Population genomics 5918:Genetic hitchhiking 5805:Identity by descent 5781:Population genetics 5681:Unilineal evolution 5446:Population genetics 5231:Sexy son hypothesis 5169:Hormonal motivation 5149:Concealed ovulation 4690:Dual process theory 4561:Parental investment 4305:Molecular evolution 4263:Ecological genetics 4132:Transitional fossil 3922:Sexual reproduction 3762:endomembrane system 3691:pollinator-mediated 3647:dolphins and whales 3425:Parental investment 2940:Maurice E. Stucke, 2873:2019TPBio.129...81B 2746:Universal Darwinism 2404:coined the phrase " 2136:, and defining the 1854:{\displaystyle 1-p} 752:sexual reproduction 716:population genetics 527:Social implications 515:Universal Darwinism 505:Island biogeography 440:Evolutionary ethics 405:Ecological genetics 351:Molecular evolution 289:Transitional fossil 117:Population genetics 33:Part of a series on 6028:Landscape genetics 5639:Social determinism 5522:Fisher's principle 5482:Great ape language 5472:Cultural evolution 5441:Philosophy of mind 5274:Division of labour 5236:Westermarck effect 5184:Mating preferences 5094:Distracted driving 4828:Literary criticism 4685:Domain specificity 4665:modularity of mind 4278:Cultural evolution 3393:Fisher's principle 3322:Handicap principle 3312:Parallel evolution 3176:Adaptive radiation 2681: 2614: 2590: 2547: 2507: 2433:Mendelian genetics 2392: 2362: 2332: 2204: 2149: 2126: 2106: 2086: 2066: 2042: 1922: 1851: 1825: 1815:, and frequencies 1805: 1778: 1751: 1731: 1703: 1604: 1593: 1573: 1537: 1508: 1473: 1417: 1390: 1330: 1200: 1169: 1101: 1040: 1020: 987: 955: 891: 871: 842: 699: 558:Theistic evolution 490:Selective breeding 202:Parallel evolution 167:Adaptive radiation 6111:Natural selection 6091:Genetics concepts 6073: 6072: 6023:Genetic genealogy 6018:Fitness landscape 5747: 5746: 5725:Psychology portal 5689: 5688: 5532:Hologenome theory 5502:Unit of selection 5497:Primate cognition 5411:Cognitive science 5342: 5341: 5213:Sexual attraction 5189:Mating strategies 4954:Cinderella effect 4884:Moral foundations 4788:Visual perception 4680:Domain generality 4649:Facial expression 4597:Sexual dimorphism 4556:Natural selection 4502:Hamiltonian spite 4378: 4377: 3994:Uniformitarianism 3947:Sex-determination 3452:Sexual dimorphism 3447:Natural selection 3351:Unit of selection 3317:Signalling theory 2981:978-0-387-20191-7 2827:978-1-932846-12-6 2805:978-0-87893-271-9 2786:978-0-19-854215-5 2731:Natural selection 2726:Lineage selection 2721:Inclusive fitness 2679: 2665: 2617:{\displaystyle L} 2443:inclusive fitness 2431:of Darwinism and 2418:natural selection 2288: 2261: 2260: 2250: 2152:{\displaystyle s} 2129:{\displaystyle B} 2116:is more fit than 2109:{\displaystyle A} 2096:. Supposing that 2089:{\displaystyle B} 2069:{\displaystyle A} 2022: 2021: 1979: 1978: 1968: 1876: 1828:{\displaystyle p} 1754:{\displaystyle B} 1734:{\displaystyle A} 1689: 1688: 1678: 1596:{\displaystyle B} 1576:{\displaystyle A} 1506: 1471: 1450: 1415: 1376: 1313: 1198: 1155: 1154: 1043:{\displaystyle t} 990:{\displaystyle w} 894:{\displaystyle t} 845:{\displaystyle W} 816:Models of fitness 782:Inclusive fitness 702:{\displaystyle w} 683: 682: 678: 644: 643: 335:Origin of Species 137:Natural selection 16:(Redirected from 6123: 6106:Sexual selection 5982:J. B. S. Haldane 5774: 5767: 5760: 5751: 5750: 5734: 5721: 5708: 5707: 5351: 5350: 5347:Related subjects 5134:Adult attachment 4661:Cognitive module 4617: 4616: 4604:Social selection 4578:Costly signaling 4573:Sexual selection 4460:Modern synthesis 4405: 4398: 4391: 4382: 4381: 4368: 4358: 4357: 4157:Modern synthesis 3917:Multicellularity 3912:Mosaic evolution 3797:auditory ossicle 3479:Social selection 3462:Flowering plants 3457:Sexual selection 3110: 3103: 3096: 3087: 3086: 3050: 3040: 2986: 2985: 2961: 2955: 2953: 2952: 2950: 2931: 2929: 2927: 2916: 2914: 2912: 2901: 2895: 2894: 2884: 2852: 2846: 2845: 2839: 2831: 2813: 2807: 2794: 2788: 2775: 2769: 2766: 2690: 2688: 2687: 2682: 2680: 2678: 2677: 2668: 2667: 2666: 2658: 2652: 2651: 2641: 2623: 2621: 2620: 2615: 2599: 2597: 2596: 2591: 2589: 2588: 2576: 2575: 2556: 2554: 2553: 2548: 2546: 2545: 2533: 2532: 2516: 2514: 2513: 2508: 2506: 2505: 2500: 2491: 2490: 2485: 2371: 2369: 2368: 2363: 2341: 2339: 2338: 2333: 2289: 2287: 2270: 2262: 2253: 2252: 2251: 2243: 2234: 2213: 2211: 2210: 2205: 2203: 2202: 2175: 2174: 2158: 2156: 2155: 2150: 2135: 2133: 2132: 2127: 2115: 2113: 2112: 2107: 2095: 2093: 2092: 2087: 2075: 2073: 2072: 2067: 2051: 2049: 2048: 2043: 2023: 2014: 2013: 2012: 2011: 1999: 1998: 1988: 1980: 1971: 1970: 1969: 1961: 1952: 1931: 1929: 1928: 1923: 1906: 1905: 1890: 1889: 1877: 1869: 1860: 1858: 1857: 1852: 1834: 1832: 1831: 1826: 1814: 1812: 1811: 1806: 1804: 1803: 1787: 1785: 1784: 1779: 1777: 1776: 1760: 1758: 1757: 1752: 1740: 1738: 1737: 1732: 1712: 1710: 1709: 1704: 1690: 1681: 1680: 1679: 1671: 1662: 1602: 1600: 1599: 1594: 1582: 1580: 1579: 1574: 1546: 1544: 1543: 1538: 1517: 1515: 1514: 1509: 1507: 1499: 1497: 1482: 1480: 1479: 1474: 1472: 1464: 1462: 1451: 1443: 1441: 1426: 1424: 1423: 1418: 1416: 1408: 1399: 1397: 1396: 1391: 1377: 1369: 1339: 1337: 1336: 1331: 1314: 1306: 1304: 1272: 1209: 1207: 1206: 1201: 1199: 1191: 1178: 1176: 1175: 1170: 1156: 1147: 1143: 1110: 1108: 1107: 1102: 1088: 1049: 1047: 1046: 1041: 1029: 1027: 1026: 1021: 996: 994: 993: 988: 973:Relative fitness 964: 962: 961: 956: 900: 898: 897: 892: 880: 878: 877: 872: 851: 849: 848: 843: 828:Absolute fitness 768:physical fitness 708: 706: 705: 700: 674: 654: 653: 646: 636: 629: 622: 609: 604: 603: 596: 592: 591: 568:Level of support 361:Current research 346:Modern synthesis 341:Before synthesis 294:Extinction event 52:Darwin's finches 49: 30: 29: 21: 6131: 6130: 6126: 6125: 6124: 6122: 6121: 6120: 6076: 6075: 6074: 6069: 6056: 5991: 5965: 5927: 5911: 5909: 5902: 5869: 5800:Genetic linkage 5783: 5778: 5748: 5743: 5685: 5671:Neoevolutionism 5578: 5562:Species complex 5527:Group selection 5465:Research topics 5460: 5436:Neuropsychology 5338: 5324:Substance abuse 5246:Sex differences 5240: 5154:Coolidge effect 5115: 5027:Neuroergonomics 4992: 4983: 4907: 4809: 4743:Folk psychology 4624: 4608: 4478: 4471: 4414: 4409: 4379: 4374: 4346: 4273:Group selection 4246: 4171: 4075: 4002: 3964:Tempo and modes 3958: 3813: 3717: 3534: 3493: 3369: 3362: 3339:Species complex 3152: 3143:History of life 3119: 3114: 3057: 3029:10.1038/nrg2603 3017:Nat. Rev. Genet 2994: 2989: 2982: 2962: 2958: 2948: 2946: 2932: 2925: 2923: 2918: 2917: 2910: 2908: 2903: 2902: 2898: 2853: 2849: 2833: 2832: 2828: 2814: 2810: 2795: 2791: 2776: 2772: 2767: 2763: 2759: 2712: 2673: 2669: 2657: 2656: 2647: 2643: 2642: 2640: 2632: 2629: 2628: 2609: 2606: 2605: 2584: 2580: 2571: 2567: 2565: 2562: 2561: 2541: 2537: 2528: 2524: 2522: 2519: 2518: 2501: 2496: 2495: 2486: 2481: 2480: 2478: 2475: 2474: 2467: 2461: 2402:Herbert Spencer 2389:Herbert Spencer 2382: 2351: 2348: 2347: 2274: 2269: 2242: 2235: 2233: 2222: 2219: 2218: 2198: 2194: 2170: 2166: 2164: 2161: 2160: 2144: 2141: 2140: 2121: 2118: 2117: 2101: 2098: 2097: 2081: 2078: 2077: 2061: 2058: 2057: 2007: 2003: 1994: 1990: 1989: 1987: 1960: 1953: 1951: 1940: 1937: 1936: 1901: 1897: 1885: 1881: 1868: 1866: 1863: 1862: 1840: 1837: 1836: 1820: 1817: 1816: 1799: 1795: 1793: 1790: 1789: 1772: 1768: 1766: 1763: 1762: 1761:have fitnesses 1746: 1743: 1742: 1726: 1723: 1722: 1670: 1663: 1661: 1614: 1611: 1610: 1588: 1585: 1584: 1568: 1565: 1564: 1557: 1523: 1520: 1519: 1498: 1493: 1488: 1485: 1484: 1463: 1458: 1442: 1437: 1432: 1429: 1428: 1407: 1405: 1402: 1401: 1368: 1345: 1342: 1341: 1305: 1300: 1268: 1227: 1224: 1223: 1190: 1188: 1185: 1184: 1142: 1119: 1116: 1115: 1084: 1055: 1052: 1051: 1035: 1032: 1031: 1006: 1003: 1002: 982: 979: 978: 975: 917: 914: 913: 886: 883: 882: 857: 854: 853: 837: 834: 833: 830: 818: 795: 772:Herbert Spencer 694: 691: 690: 688:(often denoted 679: 655: 651: 640: 599: 586: 585: 578: 577: 528: 520: 519: 390: 382: 381: 380: 308: 300: 299: 298: 247:Human evolution 237:History of life 221: 220:Natural history 213: 212: 211: 111: 103: 58: 28: 23: 22: 18:Fitness decline 15: 12: 11: 5: 6129: 6119: 6118: 6113: 6108: 6103: 6098: 6093: 6088: 6071: 6070: 6068: 6067: 6061: 6058: 6057: 6055: 6054: 6049: 6047:Phylogeography 6044: 6039: 6037:Microevolution 6034: 6025: 6020: 6015: 6010: 6005: 5999: 5997: 5996:Related topics 5993: 5992: 5990: 5989: 5984: 5979: 5973: 5971: 5967: 5966: 5964: 5963: 5958: 5953: 5951:Founder effect 5948: 5943: 5937: 5935: 5929: 5928: 5926: 5925: 5920: 5914: 5912: 5907: 5904: 5903: 5901: 5900: 5895: 5890: 5885: 5879: 5877: 5871: 5870: 5868: 5867: 5862: 5857: 5852: 5847: 5842: 5837: 5832: 5830:Price equation 5827: 5822: 5820:Neutral theory 5817: 5812: 5807: 5802: 5797: 5791: 5789: 5785: 5784: 5777: 5776: 5769: 5762: 5754: 5745: 5744: 5742: 5741: 5728: 5715: 5702: 5694: 5691: 5690: 5687: 5686: 5684: 5683: 5678: 5673: 5668: 5663: 5658: 5653: 5648: 5647: 5646: 5641: 5636: 5631: 5626: 5621: 5616: 5611: 5606: 5592: 5586: 5584: 5580: 5579: 5577: 5576: 5575: 5574: 5569: 5564: 5559: 5554: 5549: 5544: 5539: 5534: 5529: 5524: 5519: 5514: 5509: 5499: 5494: 5489: 5484: 5479: 5474: 5468: 5466: 5462: 5461: 5459: 5458: 5453: 5448: 5443: 5438: 5433: 5428: 5423: 5418: 5413: 5408: 5403: 5398: 5393: 5376: 5367: 5357: 5355: 5348: 5344: 5343: 5340: 5339: 5337: 5336: 5331: 5326: 5321: 5316: 5311: 5306: 5301: 5296: 5291: 5286: 5281: 5276: 5271: 5266: 5261: 5256: 5250: 5248: 5242: 5241: 5239: 5238: 5233: 5228: 5215: 5206: 5201: 5196: 5191: 5186: 5181: 5176: 5171: 5166: 5161: 5156: 5151: 5146: 5141: 5136: 5131: 5125: 5123: 5117: 5116: 5114: 5113: 5112: 5111: 5106: 5101: 5096: 5086: 5081: 5076: 5071: 5066: 5061: 5056: 5054:Mind-blindness 5051: 5046: 5041: 5036: 5031: 5030: 5029: 5024: 5019: 5014: 5009: 4998: 4996: 4985: 4984: 4982: 4981: 4976: 4971: 4966: 4961: 4956: 4951: 4946: 4941: 4928: 4923: 4917: 4915: 4909: 4908: 4906: 4905: 4900: 4899: 4898: 4888: 4887: 4886: 4876: 4875: 4874: 4869: 4864: 4854: 4849: 4848: 4847: 4837: 4836: 4835: 4830: 4819: 4817: 4811: 4810: 4808: 4807: 4806: 4805: 4800: 4795: 4785: 4780: 4775: 4766: 4765: 4764: 4759: 4749: 4747:theory of mind 4740: 4731: 4730: 4729: 4724: 4719: 4709: 4704: 4699: 4694: 4693: 4692: 4687: 4682: 4677: 4672: 4658: 4653: 4652: 4651: 4646: 4641: 4630: 4628: 4614: 4610: 4609: 4607: 4606: 4601: 4600: 4599: 4594: 4589: 4580: 4570: 4569: 4568: 4558: 4553: 4548: 4543: 4542: 4541: 4531: 4526: 4521: 4516: 4514:Baldwin effect 4511: 4510: 4509: 4504: 4499: 4489: 4483: 4481: 4473: 4472: 4470: 4469: 4464: 4463: 4462: 4457: 4452: 4447: 4442: 4432: 4431: 4430: 4419: 4416: 4415: 4408: 4407: 4400: 4393: 4385: 4376: 4375: 4373: 4372: 4362: 4351: 4348: 4347: 4345: 4344: 4339: 4334: 4329: 4324: 4323: 4322: 4312: 4307: 4302: 4297: 4292: 4291: 4290: 4285: 4280: 4270: 4265: 4260: 4254: 4252: 4248: 4247: 4245: 4244: 4239: 4238: 4237: 4232: 4227: 4226: 4225: 4215: 4210: 4205: 4200: 4195: 4185: 4179: 4177: 4173: 4172: 4170: 4169: 4164: 4159: 4154: 4149: 4144: 4139: 4134: 4129: 4124: 4123: 4122: 4113:Charles Darwin 4110: 4109: 4108: 4096: 4091: 4085: 4083: 4077: 4076: 4074: 4073: 4068: 4063: 4058: 4053: 4051:Non-ecological 4048: 4043: 4038: 4033: 4028: 4023: 4018: 4012: 4010: 4004: 4003: 4001: 4000: 3991: 3982: 3968: 3966: 3960: 3959: 3957: 3956: 3951: 3950: 3949: 3944: 3939: 3934: 3929: 3919: 3914: 3909: 3904: 3899: 3894: 3889: 3884: 3879: 3874: 3869: 3868: 3867: 3857: 3852: 3847: 3842: 3841: 3840: 3835: 3824: 3822: 3815: 3814: 3812: 3811: 3810: 3809: 3804: 3802:nervous system 3799: 3794: 3789: 3781: 3780: 3779: 3774: 3769: 3764: 3759: 3754: 3744: 3739: 3734: 3728: 3726: 3719: 3718: 3716: 3715: 3710: 3705: 3700: 3695: 3694: 3693: 3683: 3682: 3681: 3676: 3675: 3674: 3669: 3659: 3654: 3649: 3644: 3639: 3638: 3637: 3632: 3622: 3612: 3607: 3606: 3605: 3595: 3590: 3585: 3580: 3579: 3578: 3568: 3563: 3562: 3561: 3551: 3545: 3543: 3536: 3535: 3533: 3532: 3527: 3522: 3517: 3512: 3507: 3501: 3499: 3495: 3494: 3492: 3491: 3486: 3481: 3476: 3475: 3474: 3469: 3464: 3454: 3449: 3444: 3439: 3434: 3433: 3432: 3427: 3417: 3412: 3407: 3406: 3405: 3395: 3390: 3385: 3380: 3374: 3372: 3364: 3363: 3361: 3360: 3359: 3358: 3348: 3343: 3342: 3341: 3336: 3326: 3325: 3324: 3314: 3309: 3304: 3302:Origin of life 3299: 3294: 3289: 3287:Microevolution 3284: 3282:Macroevolution 3279: 3274: 3269: 3268: 3267: 3257: 3252: 3247: 3242: 3237: 3232: 3227: 3222: 3220:Common descent 3217: 3216: 3215: 3205: 3200: 3198:Baldwin effect 3195: 3194: 3193: 3188: 3178: 3173: 3168: 3162: 3160: 3154: 3153: 3151: 3150: 3145: 3140: 3135: 3130: 3124: 3121: 3120: 3113: 3112: 3105: 3098: 3090: 3084: 3083: 3078: 3073: 3068: 3063: 3056: 3055:External links 3053: 3052: 3051: 3023:(8): 531–539. 3008: 2993: 2990: 2988: 2987: 2980: 2956: 2896: 2847: 2826: 2808: 2789: 2770: 2760: 2758: 2755: 2754: 2753: 2748: 2743: 2738: 2733: 2728: 2723: 2718: 2711: 2708: 2692: 2691: 2676: 2672: 2664: 2661: 2655: 2650: 2646: 2639: 2636: 2613: 2587: 2583: 2579: 2574: 2570: 2544: 2540: 2536: 2531: 2527: 2504: 2499: 2494: 2489: 2484: 2463:Main article: 2460: 2457: 2425:J.B.S. Haldane 2414:Charles Darwin 2381: 2378: 2361: 2358: 2355: 2344: 2343: 2331: 2328: 2325: 2322: 2319: 2316: 2313: 2310: 2307: 2304: 2301: 2298: 2295: 2292: 2286: 2283: 2280: 2277: 2273: 2268: 2265: 2259: 2256: 2249: 2246: 2241: 2238: 2232: 2229: 2226: 2201: 2197: 2193: 2190: 2187: 2184: 2181: 2178: 2173: 2169: 2148: 2125: 2105: 2085: 2065: 2054: 2053: 2041: 2038: 2035: 2032: 2029: 2026: 2020: 2017: 2010: 2006: 2002: 1997: 1993: 1986: 1983: 1977: 1974: 1967: 1964: 1959: 1956: 1950: 1947: 1944: 1921: 1918: 1915: 1912: 1909: 1904: 1900: 1896: 1893: 1888: 1884: 1880: 1875: 1872: 1850: 1847: 1844: 1824: 1802: 1798: 1775: 1771: 1750: 1730: 1715: 1714: 1702: 1699: 1696: 1693: 1687: 1684: 1677: 1674: 1669: 1666: 1660: 1657: 1654: 1651: 1648: 1645: 1642: 1639: 1636: 1633: 1630: 1627: 1624: 1621: 1618: 1592: 1572: 1556: 1553: 1536: 1533: 1530: 1527: 1505: 1502: 1496: 1492: 1470: 1467: 1461: 1457: 1454: 1449: 1446: 1440: 1436: 1414: 1411: 1389: 1386: 1383: 1380: 1375: 1372: 1367: 1364: 1361: 1358: 1355: 1352: 1349: 1329: 1326: 1323: 1320: 1317: 1312: 1309: 1303: 1299: 1296: 1293: 1290: 1287: 1284: 1281: 1278: 1275: 1271: 1267: 1264: 1261: 1258: 1255: 1252: 1249: 1246: 1243: 1240: 1237: 1234: 1231: 1197: 1194: 1181: 1180: 1168: 1165: 1162: 1159: 1153: 1150: 1146: 1141: 1138: 1135: 1132: 1129: 1126: 1123: 1100: 1097: 1094: 1091: 1087: 1083: 1080: 1077: 1074: 1071: 1068: 1065: 1062: 1059: 1039: 1019: 1016: 1013: 1010: 986: 974: 971: 967: 966: 954: 951: 948: 945: 942: 939: 936: 933: 930: 927: 924: 921: 890: 870: 867: 864: 861: 841: 829: 826: 817: 814: 794: 791: 698: 681: 680: 658: 656: 649: 642: 641: 639: 638: 631: 624: 616: 613: 612: 611: 610: 597: 580: 579: 576: 575: 570: 565: 560: 555: 550: 548:Social effects 545: 540: 535: 529: 526: 525: 522: 521: 518: 517: 512: 507: 502: 497: 492: 487: 482: 477: 472: 467: 462: 457: 452: 447: 442: 437: 432: 427: 422: 417: 412: 407: 402: 397: 391: 388: 387: 384: 383: 379: 378: 368: 363: 358: 353: 348: 343: 338: 331: 326: 321: 316: 310: 309: 306: 305: 302: 301: 297: 296: 291: 286: 281: 276: 274:Classification 271: 266: 261: 256: 255: 254: 244: 239: 234: 232:Common descent 229: 227:Origin of life 223: 222: 219: 218: 215: 214: 210: 209: 204: 199: 194: 189: 184: 179: 174: 169: 164: 159: 154: 149: 144: 139: 134: 129: 124: 119: 113: 112: 109: 108: 105: 104: 102: 101: 96: 91: 85: 84: 79: 74: 69: 63: 60: 59: 50: 42: 41: 35: 34: 26: 9: 6: 4: 3: 2: 6128: 6117: 6114: 6112: 6109: 6107: 6104: 6102: 6099: 6097: 6094: 6092: 6089: 6087: 6084: 6083: 6081: 6066: 6063: 6062: 6059: 6053: 6050: 6048: 6045: 6043: 6040: 6038: 6035: 6033: 6029: 6026: 6024: 6021: 6019: 6016: 6014: 6011: 6009: 6006: 6004: 6001: 6000: 5998: 5994: 5988: 5987:Sewall Wright 5985: 5983: 5980: 5978: 5975: 5974: 5972: 5968: 5962: 5959: 5957: 5954: 5952: 5949: 5947: 5944: 5942: 5939: 5938: 5936: 5934: 5933:Genetic drift 5930: 5924: 5921: 5919: 5916: 5915: 5913: 5905: 5899: 5896: 5894: 5891: 5889: 5886: 5884: 5881: 5880: 5878: 5876: 5872: 5866: 5863: 5861: 5858: 5856: 5853: 5851: 5848: 5846: 5843: 5841: 5838: 5836: 5833: 5831: 5828: 5826: 5823: 5821: 5818: 5816: 5813: 5811: 5808: 5806: 5803: 5801: 5798: 5796: 5793: 5792: 5790: 5786: 5782: 5775: 5770: 5768: 5763: 5761: 5756: 5755: 5752: 5740: 5739: 5733: 5729: 5727: 5726: 5720: 5716: 5714: 5713: 5703: 5701: 5700: 5696: 5695: 5692: 5682: 5679: 5677: 5674: 5672: 5669: 5667: 5666:Neo-Darwinism 5664: 5662: 5659: 5657: 5654: 5652: 5651:Functionalism 5649: 5645: 5642: 5640: 5637: 5635: 5632: 5630: 5627: 5625: 5622: 5620: 5617: 5615: 5612: 5610: 5609:Connectionism 5607: 5605: 5602: 5601: 5600: 5599:indeterminism 5596: 5593: 5591: 5588: 5587: 5585: 5581: 5573: 5570: 5568: 5565: 5563: 5560: 5558: 5555: 5553: 5550: 5548: 5545: 5543: 5540: 5538: 5535: 5533: 5530: 5528: 5525: 5523: 5520: 5518: 5515: 5513: 5510: 5508: 5505: 5504: 5503: 5500: 5498: 5495: 5493: 5490: 5488: 5485: 5483: 5480: 5478: 5475: 5473: 5470: 5469: 5467: 5463: 5457: 5454: 5452: 5449: 5447: 5444: 5442: 5439: 5437: 5434: 5432: 5429: 5427: 5424: 5422: 5419: 5417: 5414: 5412: 5409: 5407: 5404: 5402: 5399: 5397: 5394: 5392: 5388: 5384: 5380: 5377: 5375: 5371: 5368: 5366: 5362: 5359: 5358: 5356: 5352: 5349: 5345: 5335: 5332: 5330: 5327: 5325: 5322: 5320: 5319:Schizophrenia 5317: 5315: 5312: 5310: 5307: 5305: 5304:Mental health 5302: 5300: 5297: 5295: 5292: 5290: 5287: 5285: 5282: 5280: 5277: 5275: 5272: 5270: 5267: 5265: 5262: 5260: 5257: 5255: 5252: 5251: 5249: 5247: 5243: 5237: 5234: 5232: 5229: 5227: 5223: 5219: 5216: 5214: 5210: 5207: 5205: 5202: 5200: 5197: 5195: 5192: 5190: 5187: 5185: 5182: 5180: 5179:Mate guarding 5177: 5175: 5172: 5170: 5167: 5165: 5162: 5160: 5157: 5155: 5152: 5150: 5147: 5145: 5142: 5140: 5139:Age disparity 5137: 5135: 5132: 5130: 5127: 5126: 5124: 5122: 5118: 5110: 5107: 5105: 5102: 5100: 5097: 5095: 5092: 5091: 5090: 5087: 5085: 5082: 5080: 5077: 5075: 5072: 5070: 5069:Schizophrenia 5067: 5065: 5062: 5060: 5057: 5055: 5052: 5050: 5047: 5045: 5042: 5040: 5037: 5035: 5032: 5028: 5025: 5023: 5020: 5018: 5015: 5013: 5010: 5008: 5005: 5004: 5003: 5000: 4999: 4997: 4995: 4994:Mental health 4990: 4989:Human factors 4986: 4980: 4979:Socialization 4977: 4975: 4972: 4970: 4967: 4965: 4962: 4960: 4957: 4955: 4952: 4950: 4947: 4945: 4942: 4940: 4939:paternal bond 4936: 4932: 4929: 4927: 4924: 4922: 4919: 4918: 4916: 4914: 4910: 4904: 4901: 4897: 4894: 4893: 4892: 4889: 4885: 4882: 4881: 4880: 4877: 4873: 4870: 4868: 4865: 4863: 4860: 4859: 4858: 4855: 4853: 4850: 4846: 4843: 4842: 4841: 4838: 4834: 4831: 4829: 4826: 4825: 4824: 4821: 4820: 4818: 4816: 4812: 4804: 4803:NaĂŻve physics 4801: 4799: 4796: 4794: 4791: 4790: 4789: 4786: 4784: 4781: 4779: 4776: 4774: 4770: 4769:Motor control 4767: 4763: 4760: 4758: 4755: 4754: 4753: 4750: 4748: 4744: 4741: 4739: 4735: 4732: 4728: 4727:Ophidiophobia 4725: 4723: 4720: 4718: 4717:Arachnophobia 4715: 4714: 4713: 4710: 4708: 4705: 4703: 4700: 4698: 4695: 4691: 4688: 4686: 4683: 4681: 4678: 4676: 4673: 4671: 4668: 4667: 4666: 4662: 4659: 4657: 4654: 4650: 4647: 4645: 4644:Display rules 4642: 4640: 4637: 4636: 4635: 4632: 4631: 4629: 4627: 4622: 4618: 4615: 4611: 4605: 4602: 4598: 4595: 4593: 4590: 4588: 4584: 4581: 4579: 4576: 4575: 4574: 4571: 4567: 4564: 4563: 4562: 4559: 4557: 4554: 4552: 4549: 4547: 4546:Kin selection 4544: 4540: 4537: 4536: 4535: 4532: 4530: 4527: 4525: 4522: 4520: 4517: 4515: 4512: 4508: 4505: 4503: 4500: 4498: 4495: 4494: 4493: 4490: 4488: 4485: 4484: 4482: 4480: 4474: 4468: 4465: 4461: 4458: 4456: 4453: 4451: 4448: 4446: 4443: 4441: 4440:Adaptationism 4438: 4437: 4436: 4433: 4429: 4426: 4425: 4424: 4421: 4420: 4417: 4413: 4406: 4401: 4399: 4394: 4392: 4387: 4386: 4383: 4371: 4367: 4363: 4361: 4353: 4352: 4349: 4343: 4340: 4338: 4335: 4333: 4330: 4328: 4325: 4321: 4318: 4317: 4316: 4315:Phylogenetics 4313: 4311: 4308: 4306: 4303: 4301: 4298: 4296: 4293: 4289: 4286: 4284: 4281: 4279: 4276: 4275: 4274: 4271: 4269: 4266: 4264: 4261: 4259: 4256: 4255: 4253: 4249: 4243: 4240: 4236: 4233: 4231: 4228: 4224: 4221: 4220: 4219: 4218:Structuralism 4216: 4214: 4211: 4209: 4206: 4204: 4201: 4199: 4196: 4194: 4193:Catastrophism 4191: 4190: 4189: 4186: 4184: 4181: 4180: 4178: 4174: 4168: 4165: 4163: 4160: 4158: 4155: 4153: 4152:Neo-Darwinism 4150: 4148: 4145: 4143: 4140: 4138: 4135: 4133: 4130: 4128: 4125: 4121: 4120: 4116: 4115: 4114: 4111: 4107: 4106: 4102: 4101: 4100: 4097: 4095: 4092: 4090: 4087: 4086: 4084: 4082: 4078: 4072: 4069: 4067: 4066:Reinforcement 4064: 4062: 4059: 4057: 4054: 4052: 4049: 4047: 4044: 4042: 4039: 4037: 4034: 4032: 4029: 4027: 4024: 4022: 4019: 4017: 4014: 4013: 4011: 4009: 4005: 3999: 3998:Catastrophism 3995: 3992: 3990: 3989:Macromutation 3986: 3985:Micromutation 3983: 3981: 3977: 3973: 3970: 3969: 3967: 3965: 3961: 3955: 3952: 3948: 3945: 3943: 3940: 3938: 3935: 3933: 3930: 3928: 3925: 3924: 3923: 3920: 3918: 3915: 3913: 3910: 3908: 3905: 3903: 3900: 3898: 3895: 3893: 3892:Immune system 3890: 3888: 3885: 3883: 3880: 3878: 3875: 3873: 3870: 3866: 3863: 3862: 3861: 3858: 3856: 3853: 3851: 3848: 3846: 3843: 3839: 3836: 3834: 3831: 3830: 3829: 3826: 3825: 3823: 3821: 3816: 3808: 3805: 3803: 3800: 3798: 3795: 3793: 3790: 3788: 3785: 3784: 3782: 3778: 3775: 3773: 3770: 3768: 3765: 3763: 3760: 3758: 3755: 3753: 3752:symbiogenesis 3750: 3749: 3748: 3745: 3743: 3740: 3738: 3735: 3733: 3730: 3729: 3727: 3725: 3720: 3714: 3711: 3709: 3706: 3704: 3701: 3699: 3696: 3692: 3689: 3688: 3687: 3684: 3680: 3677: 3673: 3670: 3668: 3665: 3664: 3663: 3660: 3658: 3655: 3653: 3650: 3648: 3645: 3643: 3640: 3636: 3633: 3631: 3628: 3627: 3626: 3623: 3621: 3618: 3617: 3616: 3613: 3611: 3608: 3604: 3601: 3600: 3599: 3596: 3594: 3591: 3589: 3586: 3584: 3581: 3577: 3574: 3573: 3572: 3569: 3567: 3564: 3560: 3557: 3556: 3555: 3552: 3550: 3547: 3546: 3544: 3542: 3537: 3531: 3528: 3526: 3523: 3521: 3518: 3516: 3513: 3511: 3508: 3506: 3503: 3502: 3500: 3496: 3490: 3487: 3485: 3482: 3480: 3477: 3473: 3470: 3468: 3465: 3463: 3460: 3459: 3458: 3455: 3453: 3450: 3448: 3445: 3443: 3440: 3438: 3435: 3431: 3428: 3426: 3423: 3422: 3421: 3420:Kin selection 3418: 3416: 3415:Genetic drift 3413: 3411: 3408: 3404: 3401: 3400: 3399: 3396: 3394: 3391: 3389: 3386: 3384: 3381: 3379: 3376: 3375: 3373: 3371: 3365: 3357: 3354: 3353: 3352: 3349: 3347: 3344: 3340: 3337: 3335: 3332: 3331: 3330: 3327: 3323: 3320: 3319: 3318: 3315: 3313: 3310: 3308: 3305: 3303: 3300: 3298: 3295: 3293: 3290: 3288: 3285: 3283: 3280: 3278: 3275: 3273: 3270: 3266: 3263: 3262: 3261: 3258: 3256: 3253: 3251: 3248: 3246: 3243: 3241: 3238: 3236: 3233: 3231: 3228: 3226: 3223: 3221: 3218: 3214: 3211: 3210: 3209: 3206: 3204: 3201: 3199: 3196: 3192: 3189: 3187: 3184: 3183: 3182: 3179: 3177: 3174: 3172: 3169: 3167: 3164: 3163: 3161: 3159: 3155: 3149: 3146: 3144: 3141: 3139: 3136: 3134: 3131: 3129: 3126: 3125: 3122: 3118: 3111: 3106: 3104: 3099: 3097: 3092: 3091: 3088: 3082: 3079: 3077: 3074: 3072: 3069: 3067: 3064: 3062: 3059: 3058: 3048: 3044: 3039: 3034: 3030: 3026: 3022: 3018: 3014: 3009: 3007: 3003: 2999: 2996: 2995: 2983: 2977: 2973: 2969: 2968: 2960: 2945: 2944: 2936: 2921: 2906: 2900: 2892: 2888: 2883: 2878: 2874: 2870: 2866: 2862: 2858: 2851: 2843: 2837: 2829: 2823: 2819: 2812: 2806: 2802: 2799: 2793: 2787: 2783: 2780: 2774: 2765: 2761: 2752: 2749: 2747: 2744: 2742: 2739: 2737: 2734: 2732: 2729: 2727: 2724: 2722: 2719: 2717: 2714: 2713: 2707: 2705: 2701: 2697: 2670: 2659: 2653: 2644: 2637: 2634: 2627: 2626: 2625: 2611: 2603: 2585: 2581: 2577: 2572: 2568: 2560: 2542: 2538: 2534: 2529: 2525: 2502: 2492: 2487: 2471: 2466: 2456: 2454: 2453: 2448: 2447:W.D. Hamilton 2444: 2440: 2439: 2434: 2430: 2426: 2421: 2419: 2415: 2411: 2407: 2403: 2400: 2397: 2390: 2386: 2377: 2375: 2359: 2356: 2353: 2326: 2323: 2320: 2314: 2311: 2308: 2302: 2299: 2296: 2290: 2284: 2281: 2278: 2275: 2271: 2266: 2263: 2254: 2244: 2239: 2236: 2230: 2227: 2217: 2216: 2215: 2199: 2195: 2188: 2185: 2182: 2176: 2171: 2167: 2146: 2139: 2123: 2103: 2083: 2063: 2036: 2033: 2030: 2024: 2015: 2008: 2004: 2000: 1995: 1991: 1984: 1981: 1972: 1962: 1957: 1954: 1948: 1945: 1935: 1934: 1933: 1916: 1913: 1910: 1902: 1898: 1894: 1891: 1886: 1882: 1878: 1870: 1848: 1845: 1842: 1822: 1800: 1796: 1773: 1769: 1748: 1728: 1718: 1697: 1691: 1682: 1672: 1667: 1664: 1658: 1652: 1646: 1643: 1637: 1634: 1631: 1625: 1622: 1619: 1609: 1608: 1607: 1590: 1570: 1561: 1552: 1548: 1531: 1525: 1500: 1494: 1490: 1465: 1459: 1455: 1452: 1444: 1438: 1434: 1409: 1384: 1378: 1370: 1365: 1359: 1356: 1353: 1347: 1324: 1318: 1307: 1301: 1297: 1291: 1285: 1282: 1279: 1273: 1269: 1262: 1259: 1256: 1250: 1247: 1241: 1238: 1235: 1229: 1220: 1218: 1214: 1213:Wright–Fisher 1192: 1163: 1157: 1148: 1144: 1139: 1133: 1130: 1127: 1121: 1114: 1113: 1112: 1095: 1089: 1085: 1078: 1072: 1069: 1063: 1057: 1037: 1014: 1008: 1000: 984: 970: 949: 943: 940: 937: 931: 928: 925: 919: 912: 911: 910: 908: 904: 903:genetic drift 888: 865: 859: 839: 825: 823: 813: 811: 806: 804: 803:Maynard Smith 800: 790: 788: 787:kin selection 783: 779: 777: 773: 769: 764: 762: 757: 753: 749: 744: 741: 737: 733: 729: 725: 721: 718:models) is a 717: 713: 709: 696: 687: 677: 672: 668: 664: 663: 657: 648: 647: 637: 632: 630: 625: 623: 618: 617: 615: 614: 608: 598: 595: 590: 584: 583: 582: 581: 574: 571: 569: 566: 564: 561: 559: 556: 554: 551: 549: 546: 544: 541: 539: 536: 534: 531: 530: 524: 523: 516: 513: 511: 508: 506: 503: 501: 498: 496: 493: 491: 488: 486: 483: 481: 480:Phylogenetics 478: 476: 473: 471: 468: 466: 463: 461: 458: 456: 453: 451: 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 418: 416: 413: 411: 408: 406: 403: 401: 398: 396: 393: 392: 386: 385: 376: 372: 369: 367: 364: 362: 359: 357: 354: 352: 349: 347: 344: 342: 339: 337: 336: 332: 330: 327: 325: 324:Before Darwin 322: 320: 317: 315: 312: 311: 304: 303: 295: 292: 290: 287: 285: 282: 280: 277: 275: 272: 270: 267: 265: 262: 260: 257: 253: 250: 249: 248: 245: 243: 240: 238: 235: 233: 230: 228: 225: 224: 217: 216: 208: 205: 203: 200: 198: 195: 193: 190: 188: 185: 183: 180: 178: 175: 173: 170: 168: 165: 163: 160: 158: 155: 153: 152:Genetic drift 150: 148: 145: 143: 140: 138: 135: 133: 130: 128: 125: 123: 120: 118: 115: 114: 107: 106: 100: 97: 95: 92: 90: 87: 86: 83: 80: 78: 75: 73: 70: 68: 65: 64: 62: 61: 57: 53: 48: 44: 43: 40: 37: 36: 32: 31: 19: 6003:Biogeography 5977:R. A. Fisher 5855:Heritability 5849: 5788:Key concepts 5736: 5723: 5710: 5697: 5456:Sociobiology 5314:Neuroscience 5294:Intelligence 4840:Anthropology 4793:Color vision 4778:Multitasking 4757:Flynn effect 4752:Intelligence 4734:Folk biology 4533: 4477:Evolutionary 4327:Polymorphism 4310:Astrobiology 4258:Biogeography 4213:Saltationism 4203:Orthogenesis 4188:Alternatives 4117: 4103: 4036:Cospeciation 4031:Cladogenesis 3980:Saltationism 3937:Mating types 3860:Color vision 3845:Avian flight 3767:mitochondria 3505:Canalisation 3397: 3383:Biodiversity 3128:Introduction 3020: 3016: 3001: 2992:Bibliography 2966: 2959: 2947:, retrieved 2942: 2934: 2924:. Retrieved 2909:. Retrieved 2899: 2864: 2860: 2850: 2817: 2811: 2797: 2792: 2778: 2773: 2764: 2693: 2470:Genetic load 2468: 2465:Genetic load 2459:Genetic load 2450: 2436: 2422: 2409: 2393: 2374:logistically 2345: 2214:, we obtain 2055: 1719: 1716: 1605: 1549: 1221: 1217:Moran models 1182: 976: 968: 831: 819: 807: 796: 780: 765: 745: 720:quantitative 711: 689: 685: 684: 675: 660: 500:Sociobiology 485:Paleontology 333: 269:Biogeography 264:Biodiversity 182:Coextinction 172:Co-operation 147:Polymorphism 72:Introduction 5956:Coalescence 5595:Determinism 5507:Coevolution 5451:Primatology 5289:Gender role 5194:Orientation 5074:Screen time 4931:Affectional 4913:Development 4592:Mate choice 4519:By-products 4487:Adaptations 4450:Cognitivism 4337:Systematics 4208:Mutationism 4026:Catagenesis 3954:Snake venom 3887:Eusociality 3865:in primates 3855:Cooperation 3783:In animals 3603:butterflies 3576:Cephalopods 3566:Brachiopods 3498:Development 3472:Mate choice 3225:Convergence 3208:Coevolution 3166:Abiogenesis 2700:outcrossing 2416:had called 2399:sociologist 763:evolution. 510:Systematics 319:Renaissance 197:Convergence 187:Contingency 177:Coevolution 6080:Categories 5898:Ecological 5888:Artificial 5542:Population 5537:Lamarckism 5383:behavioral 5361:Behavioral 5309:Narcissism 5254:Aggression 5044:Hypophobia 5034:Depression 4921:Attachment 4903:Universals 4867:Psychology 4845:Biological 4833:Musicology 4823:Aesthetics 4722:Basophobia 4529:Exaptation 4507:Reciprocal 4198:Lamarckism 4176:Philosophy 4099:David Hume 4061:Peripatric 4056:Parapatric 4041:Ecological 4021:Anagenesis 4016:Allopatric 4008:Speciation 3972:Gradualism 3897:Metabolism 3757:chromosome 3747:Eukaryotes 3525:Modularity 3442:Population 3368:Population 3329:Speciation 3307:Panspermia 3260:Extinction 3255:Exaptation 3230:Divergence 3203:Cladistics 3191:Reciprocal 3171:Adaptation 2926:12 January 2911:12 January 2696:inbreeding 810:phenotypes 799:propensity 284:Cladistics 207:Extinction 192:Divergence 162:Speciation 142:Adaptation 56:John Gould 6116:Darwinism 6008:Evolution 5875:Selection 5387:cognitive 5379:Affective 5264:Cognition 5218:Sexuality 5204:Pair bond 4964:Education 4621:Cognition 4539:Inclusive 4479:processes 4467:Criticism 4332:Protocell 4183:Darwinism 4071:Sympatric 3820:processes 3708:Tetrapods 3657:Kangaroos 3583:Dinosaurs 3520:Inversion 3489:Variation 3410:Gene flow 3403:Inclusive 3213:Mutualism 3158:Evolution 3006:Full text 2998:Sober, E. 2949:29 August 2867:: 81–92. 2836:cite book 2663:¯ 2654:− 2578:… 2535:… 2493:… 2357:≪ 2324:− 2309:≈ 2300:− 2258:¯ 2248:¯ 2240:− 2225:Δ 2034:− 2019:¯ 2001:− 1976:¯ 1966:¯ 1958:− 1943:Δ 1932:, and so 1914:− 1874:¯ 1846:− 1686:¯ 1676:¯ 1668:− 1644:− 1617:Δ 1504:¯ 1469:¯ 1448:¯ 1413:¯ 1374:¯ 1311:¯ 1196:¯ 1152:¯ 999:frequency 907:mutations 761:Darwinian 740:phenotype 732:gene pool 543:Dysgenics 259:Phylogeny 157:Gene flow 127:Diversity 122:Variation 6032:genomics 5970:Founders 5656:Memetics 5416:Ethology 5374:genetics 5209:Physical 5174:Jealousy 5129:Activity 4935:maternal 4891:Religion 4879:Morality 4857:Language 4738:taxonomy 4551:Mismatch 4497:Cheating 4492:Altruism 4360:Category 4235:Vitalism 4230:Theistic 4223:Spandrel 3907:Morality 3902:Monogamy 3777:plastids 3742:Flagella 3698:Reptiles 3679:sea cows 3662:primates 3571:Molluscs 3549:Bacteria 3437:Mutation 3370:genetics 3346:Taxonomy 3292:Mismatch 3272:Homology 3186:Cheating 3181:Altruism 3047:19546856 2891:30664884 2710:See also 2557:and the 1400:, where 738:or to a 736:genotype 607:Category 533:Eugenics 375:timeline 356:Evo-devo 314:Overview 132:Mutation 94:Evidence 89:Glossary 5883:Natural 5850:Fitness 5557:Species 5329:Suicide 5164:Fantasy 5144:Arousal 4926:Bonding 4815:Culture 4639:Display 4626:Emotion 4534:Fitness 4423:History 4251:Related 4081:History 3942:Meiosis 3877:Empathy 3872:Emotion 3772:nucleus 3713:Viruses 3703:Spiders 3615:Mammals 3598:Insects 3398:Fitness 3334:Species 3133:Outline 3038:2753274 2869:Bibcode 2396:British 2380:History 1111:, then 909:, then 756:alleles 730:to the 686:Fitness 671:Discuss 99:History 82:Outline 5893:Sexual 5735:  5722:  5709:  5299:Memory 5259:Autism 5226:female 5159:Desire 4896:Origin 4872:Speech 4862:Origin 4634:Affect 4370:Portal 4046:Hybrid 3882:Ethics 3724:organs 3686:Plants 3672:lemurs 3667:humans 3652:horses 3642:hyenas 3630:wolves 3625:canids 3559:origin 3045:  3035:  2978:  2889:  2824:  2803:  2784:  1183:where 667:merged 605:  329:Darwin 5269:Crime 4852:Crime 4783:Sleep 4773:skill 4613:Areas 3833:Death 3828:Aging 3807:brain 3593:Fungi 3554:Birds 3467:Fungi 3265:Event 3148:Index 2974:–86. 2698:, or 1001:. If 746:With 67:Index 6030:and 5222:male 4583:Male 4320:Tree 3792:hair 3732:Cell 3635:dogs 3620:cats 3610:Life 3588:Fish 3541:taxa 3043:PMID 2976:ISBN 2951:2007 2928:2010 2913:2010 2887:PMID 2842:link 2822:ISBN 2801:ISBN 2782:ISBN 2394:The 1835:and 1788:and 1741:and 1215:and 77:Main 5121:Sex 4798:Eye 3818:Of 3787:eye 3737:DNA 3722:Of 3539:Of 3033:PMC 3025:doi 2877:doi 2865:129 2675:max 2649:max 2159:by 714:in 710:or 665:be 54:by 6082:: 3041:. 3031:. 3021:10 3019:. 3015:. 2972:78 2885:. 2875:. 2863:. 2859:. 2838:}} 2834:{{ 2706:. 2455:. 2420:. 2376:. 1547:. 789:. 5773:e 5766:t 5759:v 5597:/ 5389:/ 5385:/ 5381:/ 5372:/ 5363:/ 5224:/ 5220:/ 5211:/ 4991:/ 4937:/ 4933:/ 4771:/ 4745:/ 4736:/ 4663:/ 4623:/ 4585:/ 4404:e 4397:t 4390:v 3996:/ 3987:/ 3978:/ 3974:/ 3109:e 3102:t 3095:v 3049:. 3027:: 2984:. 2930:. 2915:. 2893:. 2879:: 2871:: 2844:) 2830:. 2671:w 2660:w 2645:w 2638:= 2635:L 2612:L 2586:n 2582:p 2573:1 2569:p 2543:n 2539:w 2530:1 2526:w 2503:n 2498:A 2488:1 2483:A 2360:1 2354:s 2342:, 2330:) 2327:p 2321:1 2318:( 2315:p 2312:s 2306:) 2303:p 2297:1 2294:( 2291:p 2285:p 2282:s 2279:+ 2276:1 2272:s 2267:= 2264:p 2255:w 2245:w 2237:w 2231:= 2228:p 2200:B 2196:w 2192:) 2189:s 2186:+ 2183:1 2180:( 2177:= 2172:A 2168:w 2147:s 2124:B 2104:A 2084:B 2064:A 2052:. 2040:) 2037:p 2031:1 2028:( 2025:p 2016:w 2009:B 2005:w 1996:A 1992:w 1985:= 1982:p 1973:w 1963:w 1955:w 1949:= 1946:p 1920:) 1917:p 1911:1 1908:( 1903:B 1899:w 1895:+ 1892:p 1887:A 1883:w 1879:= 1871:w 1849:p 1843:1 1823:p 1801:B 1797:w 1774:A 1770:w 1749:B 1729:A 1713:. 1701:) 1698:t 1695:( 1692:p 1683:w 1673:w 1665:w 1659:= 1656:) 1653:t 1650:( 1647:p 1641:) 1638:1 1635:+ 1632:t 1629:( 1626:p 1623:= 1620:p 1591:B 1571:A 1535:) 1532:t 1529:( 1526:N 1501:W 1495:/ 1491:W 1466:W 1460:/ 1456:W 1453:= 1445:w 1439:/ 1435:w 1410:W 1388:) 1385:t 1382:( 1379:N 1371:W 1366:= 1363:) 1360:1 1357:+ 1354:t 1351:( 1348:N 1328:) 1325:t 1322:( 1319:p 1316:) 1308:W 1302:/ 1298:W 1295:( 1292:= 1289:) 1286:1 1283:+ 1280:t 1277:( 1274:N 1270:/ 1266:) 1263:1 1260:+ 1257:t 1254:( 1251:n 1248:= 1245:) 1242:1 1239:+ 1236:t 1233:( 1230:p 1193:w 1179:, 1167:) 1164:t 1161:( 1158:p 1149:w 1145:w 1140:= 1137:) 1134:1 1131:+ 1128:t 1125:( 1122:p 1099:) 1096:t 1093:( 1090:N 1086:/ 1082:) 1079:t 1076:( 1073:n 1070:= 1067:) 1064:t 1061:( 1058:p 1038:t 1018:) 1015:t 1012:( 1009:N 985:w 965:. 953:) 950:t 947:( 944:n 941:W 938:= 935:) 932:1 929:+ 926:t 923:( 920:n 889:t 869:) 866:t 863:( 860:n 840:W 712:ω 697:w 673:) 635:e 628:t 621:v 377:) 373:( 20:)

Index

Fitness decline
Evolutionary biology

Darwin's finches
John Gould
Index
Introduction
Main
Outline
Glossary
Evidence
History
Population genetics
Variation
Diversity
Mutation
Natural selection
Adaptation
Polymorphism
Genetic drift
Gene flow
Speciation
Adaptive radiation
Co-operation
Coevolution
Coextinction
Contingency
Divergence
Convergence
Parallel evolution

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