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Finches living on the Galapagos Islands were critical for Darwin to develop his ideas. What key observation did he make about the finches?

A. The finches' beaks were colored differently, providing camouflage within their unique environment.
B. The finches' feathers were colored differently, providing camouflage within their unique environment.
C. The finches' beaks were uniquely adapted as tools for them to eat the food that was available to them.
D. The finches' feathers were structurally different to allow them to fly at different heights and speeds, depending on their local environment.

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gaalloo
The answer to this is C.

In his journal, he draws many different finches with modified beaks and he described it helps the birds bite into different fruits/nuts/seeds that allowed for their survival
jcultr4s3nse

The answer is C. Darwin saw that different finches developed different types and forms of beaks, adapting them to their surroundings and diet. This lead to his theory of natural selection, as creatures with the best features to survive have a greater chance of producing offspring with similar features.

Hope this helps!

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