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17 March, 07:56

For finches on the Galapagos, a significant change in beak size can be observed across years with plentiful rainfall or intense drought.

How can the changes in finch beak size be attributed to evolution?

Finches on the island with better-adapted beak sizes have increased

survival

Finches on the island are domesticated and are artificially selected for

beak size.

Finches on the island without well suited beak sizes change their diet to

induce and enhance growth of their beaks.

Finches on the island reproduce with finches from nearby islands that have

larger beaks, resulting in changing beak sizes over time.

Submit

Theory of Evolution

312 Natural Selection

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Answers (2)
  1. 17 March, 08:31
    0
    Finches on the island with better-adapted beak sizes have increased survival.
  2. 17 March, 09:34
    0
    Answer: A
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