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Fred Fred
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6 years ago
Why do exaptations provide challenges to evolutionary biologists in their attempt to generate testable hy-potheses about how natural selection produces adaptations?
 
  What will be an ideal response?
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wrote...
6 years ago
ANS:
Will vary, but should include the difficultyor impossibilityof tying the increased frequency of the adap-tive trait in a population over evolutionary history to the environmental condition to which the trait currently offers advantage.
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