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Adaptation in a Particular Environment
Grade Level
AP Biology
APB.474 Adaptation in a Particular Environment
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A warming spring causes an insect's host plant to leaf out two weeks earlier. Egg-hatching time has a heritable component. Which variation is adaptive in the changed environment?
A
An allele for later hatching that matched the former leaf-out date
B
An allele for earlier egg hatching that matches larvae with young leaves and increases survival
C
Larvae feeding faster after older leaves become tough
D
An allele for darker adult wings that does not change larval food timing
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