| 21. | The implications of industrial melanism to Charles Darwin's natural selection was evident during his lifetime.
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| 22. | In colder environments, the thermal advantages of industrial melanism increases activity and the likelihood to mate.
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| 23. | Heavily worn or aberrant plumages such as melanism and albinism are much rarer in terns than in gulls.
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| 24. | This effect of industrialization in body colour led to the coining of the term " industrial melanism ".
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| 25. | However, in a letter to Darwin, Farn explained his discovery of industrial melanism in Gnophos obscurata.
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| 26. | Melanism is common and in some locations all-dark individuals make up the majority of the population.
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| 27. | There had been reports about some Tanzanian cheetah of other color variations, such as melanism and ticked.
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| 28. | In general, although melanism occurs regularly in this species it is less prevalent than in the November moth.
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| 29. | It was not previously known how the jaguar's dominant melanism gene would interact with lion coloration genes.
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| 30. | Some individuals of the nominate form show melanism and were once described as a species " fuscatus ".
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