Evidence suggests that giraffes once had short necks. how does natural selection explain why giraffes now have long necks

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asked Apr 5, 2018 65.6k views

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Argbo · Answer 1 · 2018-04-08T14:27:55+0000

Giraffes with longer necks than others were able to reach their food source. So giraffes with longer necks had their genes passed down eventually leading to all giraffes naturally having long necks.

Evidence suggests that giraffes once had short necks. how does natural selection explain why giraffes now have long necks

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