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8 January, 20:23

Which of the following is the best explanation for why finches on one of the islands in the Galapagos have large beaks while finches on another island have small beaks?

A) Over time, the finches on the island adapted as a result of competition for resources.

B) Finches migrated until they found finches with similar beak sizes.

C) Finches spontaneously changed their beak size in order to better access food supplies.

D) Finches with large beaks are always better adapted to their environment. Finches with small beaks only survive on islands where there were never finches with larger beaks.

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  1. 8 January, 20:48
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    The correct answer is option A) "Over time, the finches on the island adapted as a result of competition for resources".

    Explanation:

    During his famous exploration to the Galapagos, Charles Darwin studied the different shapes and sizes of finches among the islands. Darwin found that in one island finches have large beaks while on another island have small beaks. The most likely explanation that Darwin proposed was that over time, the finches on the island adapted as a result of competition for resources. In what is now known as the evolution's theory, Darwin proposed that by the "survival of the fittest", finches adapted and over the time developed large or small beaks depending on the resources of the island where they live.
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