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单词 peppered moth
释义

Definition of peppered moth in English:

peppered moth

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 sentencesExamples
    • Industrial melanism in peppered moths has been a worldwide textbook example of natural selection.
    • The ‘classic’ textbook example of natural selection says that most peppered moths were light-coloured in the early 1800s.
    • A recent example of this can be seen in colour changes in the British peppered moth, which is nocturnal, resting during the day on surfaces such as tree trunks.
    • For most of the twentieth century the only well-known example of evolution in action was the case of peppered moths in industrial England.
    • Industrial melanism in peppered moths has been studied most intensively in Britain.
 
 
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更新时间:2024/12/25 0:06:45