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Question
Which example of natural selection demonstrates environmental selection acting on colour variation?
Options
DDT resistance in mosquitoes
Industrial melanism (Peppered moth)
Antibiotic resistance in microbes
Sickle-cell anaemia
MCQ
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Solution
Industrial melanism in the peppered moth is the example in which environmental selection acted on colour variation: dark (melanic) moths survived better than light moths once pollution darkened tree trunks.
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