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colleen colleen
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Some plants and grasshoppers in hot environments have reflective body surfaces, which make their radiative heat gain, Hr, less than it would be otherwise. If you were to design a beetle that could best cope with thermal challenges associated with living on snow, what colour would it be? If these beetles were white what would that tell us about the relative roles of thermoregulation and predation pressure in determining beetle colour? What does this example imply about the ability of natural selection to “optimize” the characteristics of organisms?
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duddyduddy
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