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peppered moth

Line breaks: pep¦pered moth

Definition of peppered moth in English:

noun

A European moth of woods and gardens, which is typically white with black speckling. In industrial areas sooty brown forms predominate as a result of industrial melanism.
  • Biston betularia, family Geometridae
Example sentences
  • Industrial melanism in peppered moths has been a worldwide textbook example of natural selection.
  • Industrial melanism in peppered moths has been studied most intensively in Britain.
  • For most of the twentieth century the only well-known example of evolution in action was the case of peppered moths in industrial England.

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