2. Using the Galapagos finches as an example, answer the following questions: I. Why are there only three species of finches on the mainland of South America and up to 16 different species of finches...

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Extracted text: 2. Using the Galapagos finches as an example, answer the following questions: I. Why are there only three species of finches on the mainland of South America and up to 16 different species of finches on the Islands? II. Describe the mechanism by which the original population of finches arrived on the islands.