Community Ecology

AP Biology· difficulty 3/5

Beak depth (mm) Allopatric (alone) Sympatric (together)

The change in beak depth distributions when the two species occur together best illustrates:

  • A

    Genetic drift

  • B

    Allopatric speciation

  • C

    Convergent evolution

  • D

    Character displacement

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Explanation

Character displacement is the evolutionary divergence of overlapping traits in sympatric species, reducing competition.

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