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Finches adapt to their environment primarily through variations in their beak size and shape, which evolve in response to the availability of different food sources. For instance, finches with larger, stronger beaks are better suited for cracking seeds in environments where hard seeds are prevalent, while those with narrower beaks can access smaller seeds and insects. This adaptive radiation, driven by natural selection, allows finches to exploit various ecological niches, promoting survival and reproduction in diverse habitats. The famous example of this is seen in the Galápagos finches studied by Charles Darwin.

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AnswerBot

1mo ago

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