the darknessof the skin, feathers, or furacquired 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; it takes place over the course of many generations as the result of natural selection of the lighter, more conspicuous animals by predators.
INDUSTRIAL MELANISM
Meaning of INDUSTRIAL MELANISM in English
Britannica English vocabulary. Английский словарь Британика. 2012