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Practice problem

Charles Darwin — Role in the Theory of Natural Selection

By Samantha Broders
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Four types of finches are shown in the picture above. The are similar, but they have very different beaks.

John Gould (14.Sep.1804 - 3.Feb.1881) [Public domain], via Wikimedia Commons

What about the finches in the picture above made Darwin believe that species evolve?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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