Evidence of Evolution

AP Biology· difficulty 2/5

The strongest modern evidence supporting common descent is

  • A

    Behavioral similarity between organisms (more shared = more recent common ancestor)

  • B

    Geographic distribution across continents (more overlap = more recent common ancestor)

  • C

    Comparative anatomy across species (more similar = more recent common ancestor)

  • D

    DNA sequence similarity across species (more similar = more recent common ancestor)

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Explanation

Comparative genomics quantitatively confirms relationships inferred from morphology and the fossil record.

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