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单词 industrial melanism
释义

industrial melanism

noun [mass noun] Zoology
The prevalence of dark-coloured varieties of animals (especially moths) in industrial areas where they are better camouflaged than paler forms.A change in the direction of selective effect on a mutation is unusual, though there are some well-documented cases, such as industrial melanism in moths....
  • Recent reports exaggerate the death of industrial melanism as an exemplar of natural selection.
  • For 50 years, this interpretation of industrial melanism was just a theory, until an amateur lepidopterist went into the countryside to prove it.
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更新时间:2024/11/13 19:02:45