Before 1800, most peppered moths in england were light–colored. during the industrial revolution, soot and industrial wastes darkened tree trunks. gradually, the light–colored moths became rare, and the dark–colored ones became abundant. what role did natural selection play?
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What is the difference between how ionic and covalent bonds form
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Before 1800, most peppered moths in england were light–colored. during the industrial revolution, so...
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