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Peppered moth evolution

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664:(2002) severely criticised Kettlewell's experiment. Hooper argued that Kettlewell's field notes could not be found and suggested that his experiment was fraudulent, on the basis of Sargent's criticisms alleging that the photographs of the moths were taken of dead moths placed on a log. She said that E. B. Ford was a "Darwinian zealot", and claimed that he exploited the scientifically naive Kettlewell to obtain the desired experimental results. The book's reception led to demands that the peppered moth evolution story be deleted from textbooks. Scientists have examined the allegations made by Hooper, and found them to be without merit. 749:, and published on 8 February 2012 as "Selective bird predation on the peppered moth: the last experiment of Michael Majerus." The experiment became the largest ever in the study of industrial melanism, involving 4,864 individuals in a six-year investigation, and it confirmed that melanism in moths is a genuine example of natural selection involving camouflage and predation. Their concluding remark runs: "These data provide the most direct evidence yet to implicate camouflage and bird predation as the overriding explanation for the rise and fall of melanism in moths." 183: 50: 35: 668: 382:, the selective advantage necessary for the recorded natural evolution of peppered moths, based on the assumption that in 1848 the frequency of dark-coloured moths was 2%, and by 1895 it was 95%. The dark-coloured, or melanic, form would have had to be 50% more fit than the typical, light-coloured form. Even taking into consideration possible errors in the model, this reasonably excluded the 302:, and he had also heard that white moths had become less common at Lewes after lime kilns had been in operation for a few years. Darwin does not seem to have responded to this information, possibly because he thought natural selection would be a much slower process. A scientific explanation of moth coloration was only published in 1896, 14 years after Darwin's death, when 742:. He described his results as a complete vindication of the natural selection theory of peppered moth evolution, and said "If the rise and fall of the peppered moth is one of the most visually impacting and easily understood examples of Darwinian evolution in action, it should be taught. It provides after all the proof of evolution." 260:
very well by the blackened trees. The population of dark-coloured moth rapidly increased. By the mid-19th century, the number of dark-coloured moths had risen noticeably, and by 1895, the percentage of dark-coloured moths in Manchester was reported at 98%, a dramatic change (of almost 100%) from the
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and tree bark, and the less common black moths were more likely to be eaten by birds. As a result of the common light-coloured lichens and English trees, therefore, the light-coloured moths were much more effective at hiding from predators, and the frequency of the dark allele was very low, at about
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Theodore David Sargent performed experiments between 1965 and 1969, from which he concluded that it was not possible to reproduce Kettlewell's results, and said that birds showed no preference for moths on either black or white tree trunks. He suggested that Kettlewell had trained the birds to pick
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From 2001 to 2007, Majerus carried out experiments in Cambridge to resolve the various criticisms of Kettlewell's experiment. During his experiment, he noted the natural resting positions of peppered moths. Of the 135 moths examined, over half were on tree branches, mostly on the lower half of the
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that "What the textbooks don't explain, however, is that biologists have known since the 1980s that the classical story has some serious flaws. The most serious is that peppered moths in the wild don't even rest on tree trunks. The textbook photographs, it turns out, have been staged." However,
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process of genetic drift, because the changes were too fast. Haldane's statistical analysis of selection for the melanic variant in peppered moths became a well known part of his effort to demonstrate that mathematical models that combined natural selection with Mendelian genetics could explain
174:, the results of which were published posthumously in 2012, vindicated Kettlewell's work in great detail. This restored peppered moth evolution as "the most direct evidence", and "one of the clearest and most easily understood examples of Darwinian evolution in action". 1793:
van't Hof, Arjen E.; Campagne, Pascal; Rigden, Daniel J.; Yung, Carl J.; Lingley, Jessica; Quail, Michael A.; Hall, Neil; Darby, Alistair; Saccheri, Ilik J. (2 June 2016). "The industrial melanism mutation in British peppered moths is a transposable element".
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17. It was later concluded that the gene could not be in that region, because none of the genes in the chromosome coded for either wing pattern or melanisation. The region that was used to find it was the first intron of the orthologue of the
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by melanin would supposedly protect peppered moths against the toxic effects of heavy metals associated with industrialisation. This selective advantage would supplement the major selective mechanism of differential bird predation.
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has steadily fallen in line with cleaner air around industrial cities. Its decline has been measured more accurately than its rise, through more rigorous scientific studies. Notably, Kettlewell conducted a national survey in 1956,
610:, and again in the polluted woods in Birmingham. In 1956 he repeated the experiments and found similar results; in Birmingham, birds ate most of the white moths (75%), whereas in Dorset, most of the dark moths (86%) were eaten. 546:
as material. The larvae were fed with leaves that had incorporated these salts: melanics subsequently appeared. A similar experiment in 1932 by McKenney Hughes failed to replicate these results; the statistician and geneticist
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moths were preferentially preyed upon. He thus showed that the melanic phenotype was important to the survival of peppered moths in such a habitat. Kettlewell repeated the experiment in 1955 in unpolluted woodlands in
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Hasebroek, K. (1925). "Die prinzipielle Loesung des Problems des Grossstadt- und Industriemelanismus der Schmetterlinge" [The principal solution of problems of city- and industrial-melanism of butterflies].
734:, not birds, could be the main predators. He observed a number of species of bird actually preying on the moths, and found that differential bird predation was a major factor responsible for the decline in 111:, an industrial city in England, the frequency of the variety was found to have increased drastically. By the end of the 19th century it almost completely outnumbered the original light-coloured type (var. 693:
movement, said that the moths "do not sit on tree trunks", that "moths had to be glued to the trunks" for pictures, and that the experiments were "fraudulent" and a "scam." The intelligent design advocate
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that has an approximately 9-kb non-repetitive sequence tandemly repeated two and one third times. There are 6 base pairs of inverted repeats and duplicated 4 base pairs at the target site not present in
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van't Hof, Arjen E.; Edmonds, Nicola; Dalikova, Martina; Marec, Frantisek; Saccheri, Ilik J. (20 May 2011). "Industrial Melanism in British Peppered Moths Has a Singular and Recent Mutational Origin".
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was noticed during his lifetime. Albert Brydges Farn (1841โ€“1921), a British entomologist, wrote to Darwin on 18 November 1878 to discuss his observation of colour variations in the Annulet moth (then
229: 298:, and suggested that this variation was an example of "survival of the fittest". He told Darwin that he had found dark moths on a chalk slope where the foliage had been blackened by smoke from 459:
TE has higher expression during the stage of rapid wing disc morphogenesis. The mechanism of how the gene increases expression, and whether it is the only gene involved, is still not known.
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Similar results were found in North America. Melanic forms have not been found in Japan. It is believed that this is because peppered moths in Japan do not inhabit industrialised regions.
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rejected Tutt's differential bird predation hypothesis, on the basis that he did not believe that birds ate moths. Instead he proposed that pollutants could cause changes to the soma and
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Sargent, T. D.; Millar, C.D.; Lambert, D. M. (1988). "Chapter 9: The 'classical' explanation of industrial melanism: Assessing the evidence". In Hecht, Max K.; Wallace, Bruce (eds.).
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branch; 37% were on tree trunks, mostly on the north side; and only 12.6% were resting on or under twigs. Following correspondence with Hooper, he added an experiment to find if
2044: 115:), with a record of 98% in 1895. The evolutionary importance of the moth was only speculated upon during Darwin's lifetime. It was 14 years after Darwin's death, in 1896, that 317:
has appeared in both European and North American peppered moth populations. Information about the rise in frequency is scarce. Much more is known about the subsequent fall in
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as a well-understood example of natural selection in action, although it is clearly a case of evolution. There are many studies more appropriate for use in the classroom."
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was the first to investigate the evolutionary mechanism behind peppered moth adaptation, between 1953 and 1956. He found that a light-coloured body was an effective
233:. Edleston notes that by 1864 it was the more common type of moth in his garden in Manchester. The light-bodied moths were able to blend in with the light-coloured 371:
morphs were better camouflaged against trees with lichens. As a result, birds would find and eat those morphs that were not camouflaged with increased frequency.
1456: 906: 137:. This selective survival was due to birds, which easily caught dark moths on clean trees and white moths on trees darkened with soot. The story, supported by 2843: 1609: 704:, claiming that "The fact that peppered moths do not normally rest on tree trunks invalidates Kettlewell's experiments". Wells further wrote in his 2000 book 152:
However, failure to replicate the experiment and Theodore David Sargent's criticism of Kettlewell's methods in the late 1960s led to general skepticism. When
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were present in the airborne pollutant particles, and he suggested that these caused the mutation of genes for melanin production but of no others. He used
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emissions, and the trees became darkened. This led to an increase in bird predation for light-coloured moths, as they no longer blended in as well in their
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showed that Heslop-Harrison's controls were inadequate, and that Hughes's findings made the 6% mutation rate required by Heslop-Harrison "improbable".
2835: 2813: 146: 2831: 2440: 1369: 644:, discussed studies which raised questions about Kettlewell's original experimental methods, and called for further research. Reviewing the book, 2923: 2763: 2551: 993: 963: 119:
presented it as a case of natural selection. Because of this, the idea spread widely, and more people came to believe in Darwin's theory.
590: 215:, the black form of the peppered moth was rare. The first black specimen (of unknown origin) was collected before 1811, and kept in the 2660: 1924:"Genetical studies in the moths of the geometrid genus Oporabia (Oporinia) with a special consideration of melanism in the lepidoptera" 2082: 1074: 577:
to perform the experiments. In 1953, Kettlewell started a preliminary experiment in which moths were released into a large (18m ร— 6m)
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During the early decades of the Industrial Revolution in England, the countryside between London and Manchester became blanketed with
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was published in 2002, Kettlewell's story was more sternly attacked, and accused of fraud. The criticism became a major argument for
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Majerus died before he could complete the writing up of his experiments, so the work was carried on by Cook, Grant, Saccheri and
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of the organism. In 1925, K. Hasebroek made an early attempt to prove this hypothesis, exposing pupae to pollutant gases, namely
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Several alternative hypotheses to natural selection as the driving force of evolution were proposed during the 1920s and 1930s.
442:. Through elimination of candidates within the region based on rarity, a 21,925 base pair insert remained. The insert, labelled 392: 2291: 1669: 256:: indeed, their bodies now dramatically contrasted with the colour of the bark. Dark-coloured moths, on the other hand, were 907:"Industrial Melanism in the Peppered Moth, Biston betularia: An Excellent Teaching Example of Darwinian Evolution in Action" 2237:
Sargent, T. D. (1969). "Background Selections of the Pale and Melanic Forms of the Cryptic Moth, Phigalia titea (Cramer)".
3094: 3026: 634: 2374: 3089: 2821: 2035: 1983: 1919: 496: 2720: 2540:(2005). "The peppered moth: decline of a Darwinian disciple". In Fellowes, Mark; Holloway, Graham; Rolf, Jens (eds.). 2695: 526:
In 1926 and 1928, Heslop-Harrison suggested that the increase of melanic moths in industrialised regions was due to "
2956: 2916: 1616: 619: 560: 138: 2790: 1884: 3019: 2401: 1859: 640: 523:". He used eight species in his studies, four of which were species of butterfly that did not exhibit melanism. 882: 863: 414:) as they are indistinguishable in appearance. Genetic analysis indicates that both phenotypes are inherited as 2898:
and record their observations of local moths, in an effort to help increase the available data for researchers.
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Sargent, T. D. (1968). "Cryptic moths: effects on background selections of painting the circumocular scales".
1103: 2596:"Second Thoughts about Peppered Moths; This classical story of evolution by natural selection needs revising" 2347: 2987: 2779: 1521: 752:
Coyne said he was "delighted to agree with this conclusion , which answers my previous criticisms about the
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described it as "the clearest case in which a conspicuous evolutionary process has actually been observed."
76:. Later, when pollution was reduced, the light-coloured form again predominated. Industrial melanism in the 367:. The melanic morphs were better camouflaged against the bark of trees without foliose lichen, whereas the 182: 170:
was the principal defender. His seven-year experiment beginning in 2001, the most elaborate of its kind in
3084: 2040:"A further induction of melanism in the lepidopterous insect, Selenia bilunaria Esp., and its inheritance" 765: 68:
instance of directional colour change in the moth population as a consequence of air pollution during the
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Clarke, C. A.; Mani, G. S.; Wynne, G. (1985). "Evolution in reverse: clean air and the peppered moth".
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Tutt was the first to propose the "differential bird predation hypothesis" in 1896, as a mechanism of
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Steward compiled data for the first recordings of the peppered moth by locality, and deduced that the
2248: 2195: 2091: 1805: 1751: 1673: 1663: 1269: 447: 216: 65: 22: 2131:"A survey of the frequencies of Biston betularia (L.) (Lep.) and its melanic forms in Great Britain" 601:, involved marking, releasing and recapturing marked moths. He found that in this polluted woodland 261:
original frequency. This effect of industrialization in body colour led to the coining of the term "
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wrote an essay on the subject, a shortened version of which appeared in the 24 May 1999 issue of
690: 686: 566: 415: 403: 282: 171: 122: 1923: 418:. Cross hybridizations indicate that the phenotypes are produced by alleles at a single locus. 3058: 2759: 2691: 2547: 2287: 2211: 2009: 1863: 1821: 1767: 1742: 1722: 1677: 1572: 1394: 1322: 1297: 1209: 989: 959: 841: 770: 364: 273: 107:) was rare, though a specimen had been collected by 1811. After field collection in 1848 from 85: 1525: 340:
that subsequently spread. By 1895, it had reached a reported frequency of 98% in Manchester.
3063: 3040: 2870: 2668: 2512: 2483: 2475: 2326: 2317: 2256: 2239: 2203: 2144: 2109: 2099: 2053: 1999: 1937: 1899: 1852: 1813: 1796: 1759: 1712: 1640: 1564: 1495: 1445:. Manuscripts Room, Cambridge University Library, West Road, Cambridge, England. DAR 164:26. 1386: 1287: 1277: 1236: 1199: 1191: 1115: 1082: 1053: 1018: 921: 877: 831: 823: 679: 660: 504: 472: 158: 26: 2977: 2850: 2817: 2749: 2645: 2537: 2435: 2352: 1659: 1605: 1424: 1377: 1182: 1144: 1120: 979: 902: 629: 468: 167: 2572: 2252: 2199: 2095: 1809: 1755: 1273: 812:"The peppered moth and industrial melanism: evolution of a natural selection case study" 715:
states that there is little difference between the 'staged' photos and 'unstaged' ones.
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Berry, R. J. (1990). "Industrial melanism and peppered moths (Biston betularia (L.))".
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Accusations of data fudging and scientific fraud in the case are found to be vacuous.
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Cook, L. M. (2003). "The rise and fall of the Carbonaria form of the peppered moth".
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Steward, R. C. (1977). "Industrial and non-industrial melanism in the peppered moth
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evolution โ€“ an effort that played a key role in the foundation of the discipline of
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Saccheri, I. J.; Rousset, F.; Watts, P. C.; Brakefield, P. M.; Cook, L. M. (2008).
1173: 746: 2753: 2541: 2207: 1316: 983: 953: 133:, while the dark colour was beneficial in a polluted environment like industrial 2782:
has written several papers on melanism in the peppered moth which are listed on
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Hart, Adam G.; Stafford, Richard; Smith, Angela L.; Goodenough, Anne E. (2010).
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from the new coal-burning factories. Many of the light-bodied lichens died from
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Sargent (1936โ€“2018) was a biologist at the University of Massachusetts Amherst.
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noted these points, and concluded that "for the time being we must discard
530:", not to selection by predators which he regarded as negligible. Salts of 2215: 1256:"Selection and gene flow on a diminishing cline of melanic peppered moths" 565:
The first important experiments on the peppered moth were carried out by
520: 337: 314: 197:(below the bark's scar) is nearly invisible on this pollution-free tree, 1817: 1321:(Reprint ed.). Cambridge: Cambridge University Press. p. 171. 827: 2149: 2130: 1941: 1439:"Farn, A.B. to Darwin C.R., Darwin Correspondence Project Letter 11747" 598: 512: 482:
P. A. Riley proposed an additional selective factor, where heavy metal
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The implication that industrial melanism could be evidence supporting
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on this evolutionary phenomenon and implored UK readers to visit the
2621:: Science or Myth? Why Much of What We Teach About Evolution is Wrong 2260: 607: 578: 130: 2628: 1568: 2331: 2308: 666: 295: 2859:: An Excellent Teaching Example of Darwinian Evolution in Action" 1042:: An Excellent Teaching Example of Darwinian Evolution in Action" 2901: 1260: 731: 531: 242: 2905: 2799:"Moonshine: Why the Peppered Moth remains an Icon of Evolution" 306:
explicitly linked peppered moth melanism to natural selection.
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conducted a similar one in early 1996, and L.M. Cook in 2003.
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in 1848, but he reported this only 16 years later in 1864, in
2402:"Of Moths and Men: Intrigue, Tragedy & the Peppered Moth" 2895: 674:
have disputed the occurrence or significance of the melanic
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From around 1962 to the present, the phenotype frequency of
2165:"Obituary: Theodore Sargent, Professor Emeritus of Biology" 883:
10.1641/0006-3568(2005)055[0369:TBOKCE]2.0.CO;2
2834:. This is the transcript of Majerus' lecture given at the 2661:"Moth study backs classic 'test case' for Darwin's theory" 219:. The first live specimen was caught by R. S. Edleston in 21:
This article is about the peppered moth's significance in
2569:"Evolution โ€“ April 1999: Peppered Moths and Creationists" 1699:"Allelic melanism in American and British peppered moths" 1646:
A Mathematical Theory of Natural and Artificial Selection
1075:"Urban evolution: How species adapt to survive in cities" 18:
Significance of the peppered moth in evolutionary biology
2546:. Wallingford, Oxon: CABI Publishing. pp. 375โ€“377. 2167:. University of Massachusetts Amherst. 4 September 2018 711:
peppered moths do rest on tree trunks on occasion, and
286:). He noted the existence of dark moths in peat in the 1102:
Diamond, Sarah E.; Martin, Ryan A. (2 November 2021).
1610:"The Peppered Moth: The Proof of Darwinian Evolution" 2045:
Proceedings of the Royal Society of London. Series B
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Proceedings of the Royal Society of London. Series B
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Annual Review of Ecology, Evolution, and Systematics
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moths on tree trunks to obtain the desired results.
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The Peppered Moth: The Proof of Darwinian Evolution
88:in action, and it remains a classic example in the 2814:The Peppered Moth: Decline of a Darwinian Disciple 2428: 1851: 406:in the incidence of melanism in the British form ( 2801:. Department of Physics, Colorado School of Mines 2791:"The rise and fall of the melanic Peppered Moth" 2646:"Icon of Obfuscation: Chapter 7: Peppered Moths" 2627:, Washington, D.C., p. 138 (book available from 569:at Oxford University, under the supervision of 1665:Evolution: The history of an idea, 3rd edition 479:were also seen as major forces of evolution. 2917: 2503:Grant, B. S. (2002), "Sour grapes of wrath", 1600: 1598: 1596: 1594: 897: 895: 893: 8: 2838:meeting on 23 August 2007. The accompanying 2377:. W. W. Norton & Company. Archived from 1172:Cook, L. M.; Grant, B. S.; Saccheri, I. J.; 857: 855: 193:morphs on the same tree. The light-coloured 2855:"Industrial Melanism in the Peppered Moth, 1550: 1548: 1546: 1167: 1165: 1038:"Industrial Melanism in the Peppered Moth, 2924: 2910: 2902: 2874: 2836:European Society for Evolutionary Biology 2487: 2330: 2148: 2113: 2103: 2057: 2003: 1966:Internationale entomologische Zeitschrift 1903: 1892:Biological Journal of the Linnean Society 1716: 1418: 1416: 1291: 1281: 1229:Biological Journal of the Linnean Society 1203: 1119: 1086: 1057: 1011:Biological Journal of the Linnean Society 925: 881: 835: 810:Cook, L. M.; Saccheri, I J (March 2013). 620:Kettlewell's experiment ยง Criticisms 129:in a clean environment, such as in rural 958:. New York: Facts on File. p. 308. 181: 48: 33: 1363: 1361: 802: 782: 638:critiqued the research in Kettlewell's 573:, who helped him gain a grant from the 947: 945: 395:of evolutionary theory with genetics. 321:frequency, as it has been measured by 290:, brown moths on clay and red soil in 1854:Genetics and the Evolutionary Process 1526:"Distribution of melanism in Britain" 1121:10.1146/annurev-ecolsys-012021-021402 294:, and white moths on chalk cliffs in 25:. For its evolutionary ancestry, see 7: 310:Rise and fall of phenotype frequency 2758:. Oxford: Oxford University Press. 2346:Kenney, Michael (22 October 2002). 591:Christopher Cadbury Wetland Reserve 2721:"The peppered moth story is solid" 2348:"Of Dark Moths, Men and Evolution" 2083:Proceedings of the Royal Society B 1500:10.1111/j.1365-2311.1977.tb00886.x 1318:Introduction to Population Biology 1241:10.1111/j.1095-8312.1990.tb00518.x 1023:10.1111/j.1095-8312.1985.tb01555.x 689:, a co-founder of the creationist 141:, became the canonical example of 14: 2863:Evolution: Education and Outreach 1046:Evolution: Education and Outreach 914:Evolution: Education and Outreach 429:was thought to be in a region of 336:morph was the result of a single 56:, the black-bodied peppered moth. 2690:Matzke, Nick (8 February 2012). 2659:Connor, Steve (25 August 2007). 2443:from the original on 25 May 2022 2309:"Not Black and White. Review of 1998:(696): 241โ€“263 /rspb.1926.0012. 1437:Farn, A. B. (18 November 1878). 103:form of the peppered moth (var. 2947:Overview, ecology, and genetics 2567:Frack, Donald (16 April 1999). 2400:Smith, Peter D. (11 May 2002). 1557:The Quarterly Review of Biology 1145:"The Peppered Moth - An Update" 1036:Majerus, Michael E. N. (2008). 2286:. Vol. 23. Plenum Press. 1670:University of California Press 1073:Bender, Eric (21 March 2022). 147:evidence for natural selection 62:evolution of the peppered moth 54:Biston betularia f. carbonaria 1: 3027:Melanism: Evolution in Action 2755:Melanism: Evolution in Action 2311:Melanism: Evolution in Action 2129:Kettlewell, H. B. D. (1958). 985:Melanism: Evolution in Action 635:Melanism: Evolution in Action 2822:British Humanist Association 2816:. This is the transcript of 2208:10.1126/science.159.3810.100 1425:The Peppered Moth: An Update 581:, where they were fed on by 497:John William Heslop-Harrison 391:, and the beginnings of the 149:used in standard textbooks. 2820:' lecture delivered to the 2793:presented by Laurence Cook. 2543:Insect Evolutionary Ecology 988:. Oxford University Press. 589:). His main experiment, at 378:calculated, using a simple 3116: 722: 718: 617: 558: 554: 204: 39:Biston betularia f. typica 20: 3020:The Evolution of Melanism 2876:10.1007/s12052-008-0107-y 2594:Wells, J. (24 May 1999). 2480:10.1038/sj.embor.embor778 1986:; Garrett, F. C. (1926). 1860:Columbia University Press 1391:10.1016/j.cub.2009.12.010 1088:10.1146/knowable-031822-1 1059:10.1007/s12052-008-0107-y 955:Encyclopedia of Evolution 952:Rice, Stanley A. (2007). 927:10.1007/s12052-008-0107-y 641:The Evolution of Melanism 410:) and the American form ( 2313:by Michael E.N. Majerus" 2307:Coyne, Jerry A. (1998). 1342:Edleston, R. S. (1864). 862:Rudge, David W. (2005). 2966:Writers and researchers 2517:10.1126/science.1073593 1764:10.1126/science.1203043 1283:10.1073/pnas.0803785105 1149:www.millerandlevine.com 561:Kettlewell's experiment 555:Kettlewell's experiment 380:general selection model 139:Kettlewell's experiment 2851:Majerus, Michael E. N. 2750:Majerus, Michael E. N. 2538:Majerus, Michael E. N. 2105:10.1098/rspb.1933.0018 2059:10.1098/rspb.1928.0009 2036:Heslop-Harrison, J. W. 2005:10.1098/rspb.1926.0012 1984:Heslop-Harrison, J. W. 1920:Heslop Harrison, J. W. 1606:Majerus, Michael E. N. 1196:10.1098/rsbl.2011.1136 980:Majerus, Michael E. N. 903:Majerus, Michael E. N. 738:frequency compared to 683: 463:Alternative hypotheses 202: 57: 46: 2725:Why Evolution Is True 2462:Dover, Gabby (2003). 1883:Riley, P. A. (2013). 1718:10.1093/jhered/esh022 1697:Grant, B. S. (2004). 1488:Ecological Entomology 1104:"Evolution in Cities" 725:Michael E. N. Majerus 723:Further information: 670: 618:Further information: 213:Industrial Revolution 205:Further information: 185: 99:The dark-coloured or 90:teaching of evolution 80:was an early test of 70:Industrial Revolution 52: 37: 3095:Evolution of insects 2719:(12 February 2012). 2629:Iconsofevolution.com 2439:. 4 September 2003. 2284:Evolutionary Biology 1422:Miller, Ken (1999). 1344:"[No title]" 1143:Miller, Ken (1999). 719:Majerus's experiment 678:morph's increase in 544:Tephrosia bistortata 491:Phenotypic induction 448:transposable element 217:University of Oxford 178:Origin and evolution 23:evolutionary biology 3090:Biology experiments 2896:Moths Count website 2381:on 10 December 2014 2253:1969Natur.222..585S 2200:1968Sci...159..100S 2096:1933RSPSB.112..407F 1929:Journal of Genetics 1818:10.1038/nature17951 1810:2016Natur.534..102H 1756:2011Sci...332..958V 1704:Journal of Heredity 1315:Neal, Dick (2004). 1274:2008PNAS..10516212S 1268:(42): 16212โ€“16217. 828:10.1038/hdy.2012.92 575:Nuffield Foundation 446:-TE, is a class II 416:autosomal dominants 402:is also a model of 389:population genetics 263:industrial melanism 207:Industrial melanism 74:industrial melanism 41:, the white-bodied 3034:Icons of Evolution 2973:Bernard Kettlewell 2619:Icons of Evolution 2430:"Of moths and men" 2375:"Of Moths and Men" 2150:10.1038/hdy.1958.4 1942:10.1007/BF02983273 1782:– via JSTOR. 1463:. 27 February 2018 1081:. Annual Reviews. 707:Icons of Evolution 691:intelligent design 687:Phillip E. Johnson 684: 567:Bernard Kettlewell 404:parallel evolution 398:The peppered moth 283:Charissa obscurata 203: 201:it from predators. 172:population biology 123:Bernard Kettlewell 58: 47: 3072: 3071: 3059:The Peppered Moth 2886:On 19 June 2009, 2765:978-0-198-54983-3 2696:The Panda's Thumb 2671:on 7 October 2008 2616:Wells J. (2000). 2575:on 26 August 2007 2553:978-1-84593-140-7 2511:(5583): 940โ€“941, 2247:(5193): 585โ€“586. 2194:(3810): 100โ€“101. 1905:10.1111/bij.12062 1848:Dobzhansky, T. G. 1804:(7605): 102โ€“117. 1750:(6032): 958โ€“960. 1443:The Darwin Papers 1079:Knowable Magazine 995:978-0-19-854983-3 965:978-1-4381-1005-9 771:Scottish red deer 540:Selenia bilunaria 528:mutation pressure 365:natural selection 278:Gnophos obscurata 274:natural selection 86:natural selection 3107: 3064:Margaret Drabble 3041:Of Moths and Men 2926: 2919: 2912: 2903: 2883: 2878: 2857:Biston betularia 2842:presentation is 2810: 2808: 2806: 2789:Online lecture: 2769: 2736: 2735: 2733: 2731: 2713: 2707: 2706: 2704: 2702: 2687: 2681: 2680: 2678: 2676: 2667:. Archived from 2656: 2650: 2649: 2642:Matzke, Nicholas 2638: 2632: 2614: 2608: 2607: 2591: 2585: 2584: 2582: 2580: 2571:. 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Archived from 1614: 1602: 1589: 1588: 1552: 1541: 1540: 1538: 1536: 1518: 1512: 1511: 1484:Biston betularia 1479: 1473: 1472: 1470: 1468: 1453: 1447: 1446: 1434: 1428: 1420: 1411: 1410: 1374: 1365: 1356: 1355: 1339: 1333: 1332: 1312: 1306: 1305: 1295: 1285: 1251: 1245: 1244: 1224: 1218: 1217: 1207: 1169: 1160: 1159: 1157: 1155: 1140: 1134: 1133: 1123: 1099: 1093: 1092: 1090: 1070: 1064: 1063: 1061: 1040:Biston betularia 1033: 1027: 1026: 1006: 1000: 999: 976: 970: 969: 949: 940: 939: 929: 911: 899: 888: 887: 885: 859: 850: 849: 839: 807: 790: 787: 661:Of Moths and Men 628:Two chapters in 505:hydrogen sulfide 400:Biston betularia 393:modern synthesis 230:The Entomologist 159:Of Moths and Men 27:Insect evolution 3115: 3114: 3110: 3109: 3108: 3106: 3105: 3104: 3075: 3074: 3073: 3068: 3046: 3007: 2961: 2935: 2930: 2888:Telegraph.co.uk 2849: 2818:Michael Majerus 2804: 2802: 2796: 2776: 2766: 2748: 2745: 2743:Further reading 2740: 2739: 2729: 2727: 2715: 2714: 2710: 2700: 2698: 2689: 2688: 2684: 2674: 2672: 2665:The Independent 2658: 2657: 2653: 2640: 2639: 2635: 2615: 2611: 2593: 2592: 2588: 2578: 2576: 2566: 2565: 2561: 2554: 2536: 2535: 2531: 2502: 2501: 2497: 2461: 2460: 2456: 2446: 2444: 2436:The Independent 2427: 2426: 2422: 2412: 2410: 2399: 2398: 2394: 2384: 2382: 2373: 2372: 2368: 2358: 2356: 2353:Chicago Tribune 2345: 2344: 2340: 2325:(6706): 35โ€“36. 2306: 2305: 2301: 2294: 2281: 2280: 2276: 2236: 2235: 2231: 2185: 2184: 2180: 2170: 2168: 2163: 2162: 2158: 2128: 2127: 2123: 2072: 2071: 2067: 2034: 2033: 2029: 1982: 1981: 1977: 1962: 1961: 1957: 1918: 1917: 1913: 1887: 1882: 1881: 1877: 1870: 1846: 1845: 1841: 1792: 1791: 1787: 1739: 1738: 1734: 1696: 1695: 1691: 1684: 1658: 1657: 1653: 1641:Haldane, J.B.S. 1639: 1635: 1625: 1623: 1622:on 15 June 2011 1619: 1612: 1608:(August 2007). 1604: 1603: 1592: 1554: 1553: 1544: 1534: 1532: 1520: 1519: 1515: 1481: 1480: 1476: 1466: 1464: 1455: 1454: 1450: 1436: 1435: 1431: 1421: 1414: 1378:Current Biology 1372: 1367: 1366: 1359: 1341: 1340: 1336: 1329: 1314: 1313: 1309: 1253: 1252: 1248: 1226: 1225: 1221: 1183:Biology Letters 1171: 1170: 1163: 1153: 1151: 1142: 1141: 1137: 1101: 1100: 1096: 1072: 1071: 1067: 1035: 1034: 1030: 1008: 1007: 1003: 996: 978: 977: 973: 966: 951: 950: 943: 909: 901: 900: 891: 861: 860: 853: 809: 808: 804: 799: 794: 793: 788: 784: 779: 762: 727: 721: 630:Michael Majerus 622: 616: 563: 557: 518: 510: 493: 469:Random mutation 465: 361: 312: 247:sulphur dioxide 209: 180: 168:Michael Majerus 30: 19: 12: 11: 5: 3113: 3111: 3103: 3102: 3097: 3092: 3087: 3077: 3076: 3070: 3069: 3067: 3066: 3054: 3052: 3051:Creative works 3048: 3047: 3045: 3044: 3037: 3030: 3023: 3015: 3013: 3009: 3008: 3006: 3005: 3000: 2998:Jonathan Wells 2995: 2990: 2985: 2980: 2975: 2969: 2967: 2963: 2962: 2960: 2959: 2957:Experiments on 2954: 2949: 2943: 2941: 2937: 2936: 2931: 2929: 2928: 2921: 2914: 2906: 2900: 2899: 2884: 2847: 2844:also available 2829: 2811: 2794: 2787: 2775: 2774:External links 2772: 2771: 2770: 2764: 2744: 2741: 2738: 2737: 2708: 2682: 2651: 2633: 2609: 2586: 2559: 2552: 2529: 2495: 2454: 2420: 2392: 2366: 2338: 2299: 2292: 2274: 2229: 2178: 2156: 2121: 2065: 2027: 1975: 1955: 1936:(3): 195โ€“280. 1911: 1898:(2): 298โ€“301. 1875: 1868: 1839: 1785: 1732: 1689: 1682: 1651: 1633: 1590: 1569:10.1086/378925 1563:(4): 399โ€“417. 1542: 1513: 1494:(3): 231โ€“243. 1474: 1448: 1429: 1412: 1357: 1334: 1327: 1307: 1246: 1235:(4): 301โ€“322. 1219: 1190:(4): 609โ€“612. 1161: 1135: 1114:(1): 519โ€“540. 1094: 1065: 1028: 1017:(2): 189โ€“199. 1001: 994: 971: 964: 941: 889: 876:(4): 369โ€“375. 851: 822:(3): 207โ€“212. 801: 800: 798: 795: 792: 791: 781: 780: 778: 775: 774: 773: 768: 761: 758: 720: 717: 696:Jonathan Wells 615: 612: 559:Main article: 556: 553: 516: 508: 492: 489: 464: 461: 376:J.B.S. Haldane 360: 357: 323:lepidopterists 311: 308: 270:Charles Darwin 179: 176: 145:evolution and 82:Charles Darwin 17: 13: 10: 9: 6: 4: 3: 2: 3112: 3101: 3098: 3096: 3093: 3091: 3088: 3086: 3085:Peppered moth 3083: 3082: 3080: 3065: 3061: 3060: 3056: 3055: 3053: 3049: 3043: 3042: 3038: 3036: 3035: 3031: 3029: 3028: 3024: 3022: 3021: 3017: 3016: 3014: 3010: 3004: 3003:Judith Hooper 3001: 2999: 2996: 2994: 2991: 2989: 2986: 2984: 2981: 2979: 2976: 2974: 2971: 2970: 2968: 2964: 2958: 2955: 2953: 2950: 2948: 2945: 2944: 2942: 2938: 2934: 2933:Peppered moth 2927: 2922: 2920: 2915: 2913: 2908: 2907: 2904: 2897: 2893: 2889: 2885: 2882: 2877: 2872: 2868: 2864: 2860: 2858: 2852: 2848: 2845: 2841: 2837: 2833: 2830: 2827: 2823: 2819: 2815: 2812: 2800: 2797:Young, Matt. 2795: 2792: 2788: 2785: 2784:his home page 2781: 2778: 2777: 2773: 2767: 2761: 2757: 2756: 2751: 2747: 2746: 2742: 2726: 2722: 2718: 2712: 2709: 2697: 2693: 2686: 2683: 2670: 2666: 2662: 2655: 2652: 2647: 2643: 2637: 2634: 2630: 2626: 2625:Regnery Press 2622: 2620: 2613: 2610: 2605: 2601: 2600:The Scientist 2597: 2590: 2587: 2574: 2570: 2563: 2560: 2555: 2549: 2545: 2544: 2539: 2533: 2530: 2526: 2522: 2518: 2514: 2510: 2506: 2499: 2496: 2490: 2485: 2481: 2477: 2473: 2469: 2465: 2464:"Mothbusters" 2458: 2455: 2442: 2438: 2437: 2431: 2424: 2421: 2409: 2408: 2403: 2396: 2393: 2380: 2376: 2370: 2367: 2355: 2354: 2349: 2342: 2339: 2333: 2332:10.1038/23856 2328: 2324: 2320: 2319: 2314: 2312: 2303: 2300: 2295: 2289: 2285: 2278: 2275: 2270: 2266: 2262: 2258: 2254: 2250: 2246: 2242: 2241: 2233: 2230: 2225: 2221: 2217: 2213: 2209: 2205: 2201: 2197: 2193: 2189: 2182: 2179: 2166: 2160: 2157: 2151: 2146: 2142: 2138: 2137: 2132: 2125: 2122: 2116: 2111: 2106: 2101: 2097: 2093: 2089: 2085: 2084: 2079: 2075: 2074:Fisher, R. A. 2069: 2066: 2060: 2055: 2051: 2047: 2046: 2041: 2037: 2031: 2028: 2023: 2019: 2015: 2011: 2006: 2001: 1997: 1993: 1989: 1985: 1979: 1976: 1971: 1968:(in German). 1967: 1959: 1956: 1951: 1947: 1943: 1939: 1935: 1931: 1930: 1925: 1921: 1915: 1912: 1906: 1901: 1897: 1893: 1886: 1879: 1876: 1871: 1869:0-231-08306-8 1865: 1861: 1856: 1855: 1849: 1843: 1840: 1835: 1831: 1827: 1823: 1819: 1815: 1811: 1807: 1803: 1799: 1798: 1789: 1786: 1781: 1777: 1773: 1769: 1765: 1761: 1757: 1753: 1749: 1745: 1744: 1736: 1733: 1728: 1724: 1719: 1714: 1711:(2): 97โ€“102. 1710: 1706: 1705: 1700: 1693: 1690: 1685: 1683:0-520-23693-9 1679: 1675: 1671: 1667: 1666: 1661: 1655: 1652: 1648: 1647: 1642: 1637: 1634: 1618: 1611: 1607: 1601: 1599: 1597: 1595: 1591: 1586: 1582: 1578: 1574: 1570: 1566: 1562: 1558: 1551: 1549: 1547: 1543: 1531: 1527: 1523: 1517: 1514: 1509: 1505: 1501: 1497: 1493: 1489: 1485: 1478: 1475: 1462: 1461:Science Focus 1458: 1452: 1449: 1444: 1440: 1433: 1430: 1427: 1426: 1419: 1417: 1413: 1408: 1404: 1400: 1396: 1392: 1388: 1384: 1380: 1379: 1371: 1364: 1362: 1358: 1353: 1349: 1345: 1338: 1335: 1330: 1328:9780521532235 1324: 1320: 1319: 1311: 1308: 1303: 1299: 1294: 1289: 1284: 1279: 1275: 1271: 1267: 1263: 1262: 1257: 1250: 1247: 1242: 1238: 1234: 1230: 1223: 1220: 1215: 1211: 1206: 1201: 1197: 1193: 1189: 1185: 1184: 1179: 1175: 1174:Mallet, James 1168: 1166: 1162: 1150: 1146: 1139: 1136: 1131: 1127: 1122: 1117: 1113: 1109: 1105: 1098: 1095: 1089: 1084: 1080: 1076: 1069: 1066: 1060: 1055: 1051: 1047: 1043: 1041: 1032: 1029: 1024: 1020: 1016: 1012: 1005: 1002: 997: 991: 987: 986: 981: 975: 972: 967: 961: 957: 956: 948: 946: 942: 937: 933: 928: 923: 919: 915: 908: 904: 898: 896: 894: 890: 884: 879: 875: 871: 870: 865: 858: 856: 852: 847: 843: 838: 833: 829: 825: 821: 817: 813: 806: 803: 796: 786: 783: 776: 772: 769: 767: 764: 763: 759: 757: 755: 750: 748: 743: 741: 737: 733: 726: 716: 714: 709: 708: 703: 702: 701:The Scientist 697: 692: 688: 681: 677: 673: 669: 665: 663: 662: 657: 656:Judith Hooper 653: 651: 647: 643: 642: 637: 636: 632:'s 1998 book 631: 626: 621: 613: 611: 609: 604: 600: 596: 592: 588: 584: 580: 576: 572: 568: 562: 552: 550: 549:Ronald Fisher 545: 541: 537: 533: 529: 524: 522: 514: 506: 502: 498: 490: 488: 485: 480: 478: 477:genetic drift 474: 470: 462: 460: 458: 454: 449: 445: 441: 437: 432: 428: 424: 421:The gene for 419: 417: 413: 409: 408:f. carbonaria 405: 401: 396: 394: 390: 385: 381: 377: 372: 370: 366: 358: 356: 353: 351: 346: 341: 339: 335: 330: 328: 324: 320: 316: 309: 307: 305: 301: 297: 293: 292:Herefordshire 289: 285: 284: 279: 275: 272:'s theory of 271: 266: 264: 259: 255: 252: 248: 244: 239: 236: 232: 231: 226: 222: 218: 214: 208: 200: 196: 192: 188: 184: 177: 175: 173: 169: 165: 161: 160: 155: 154:Judith Hooper 150: 148: 144: 140: 136: 132: 128: 124: 120: 118: 114: 110: 106: 102: 97: 95: 94:Sewall Wright 91: 87: 83: 79: 78:peppered moth 75: 71: 67: 63: 55: 51: 44: 43:peppered moth 40: 36: 32: 28: 24: 16: 3057: 3039: 3032: 3025: 3018: 2983:Cyril Clarke 2978:Mike Majerus 2952:Evolution of 2951: 2880: 2869:(1): 63โ€“74. 2866: 2862: 2856: 2803:. 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Index

evolutionary biology
Insect evolution

peppered moth

evolutionary
Industrial Revolution
industrial melanism
peppered moth
Charles Darwin
natural selection
teaching of evolution
Sewall Wright
Manchester
J. W. Tutt
Bernard Kettlewell
camouflage
Dorset
Birmingham
Kettlewell's experiment
Darwinian
evidence for natural selection
Judith Hooper
Of Moths and Men
creationists
Michael Majerus
population biology

camouflaging
Industrial melanism

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