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Charles Darwin observed finches on the Galápagos Islands. Darwin noticed that finches on different islands had different beak shapes. He also noticed that there were many similarities shared by the finches from the different islands. These similarities convinced Darwin that the finches of the Galápagos Islands were all related through a common ancestor.

How did Charles Darwin explain the differences in the beak shapes of finches on the different islands?

A. The different beaks were needed to build a variety of bird nests on each island.
B. The different beaks resulted from the different types of food available on each island.
C. The different beaks provided protection from predators that were unique to each island.
D. The different beaks were the result of unsuccessful mating among finches on each island.

Answer :

Final answer:

Charles Darwin explained the differences in the beak shapes of finches on the different islands by the different types of food available on each island.


Explanation:

Charles Darwin explained the differences in the beak shapes of finches on the different islands based on the different types of food available on each island. The finches had adapted their beaks to match the specific food sources they relied on. For example, finches with long, slender beaks were better equipped to feed on insects, while finches with short, sturdy beaks were better suited for crushing seeds. These adaptations allowed the finches to survive and thrive in their respective habitats.


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