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industrial melanism
(redirected from melanism)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.02 sec.

industrial melanism

Darkness of the skin, feathers, or fur developed by a population of animals living in an industrial region where the environment is soot-darkened. The melanization of a population increases the probability that its members will survive and reproduce because it offers protection in the form of camouflage; it takes place over the course of many generations as the result of natural selection of the lighter, more conspicuous animals by predators.
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