Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 15.2, Problem 1TC

A recent study found that Galápagos mockingbirds on a given island are more genetically similar to mockingbirds on nearby islands than to mockingbirds on more distant islands. From this information, what can you conclude about the evolutionary history of Galápagos mockingbirds?

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1) Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches?   A) The finches evolved traits to help them survive in different environments.     B) The finches had different traits that influenced the environment in which they chose to live.     C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive.     D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. Not graded
Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches?   A) The finches evolved traits to help them survive in different environments.     B) The finches had different traits that influenced the environment in which they chose to live.     C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive.     D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. not graded use photo
What is the common ancestor of the Galapagos finches? What are the thirteen Galapagos finches? What characteristics make each of the thirteen finches a distinct species? How is each finch isolated from the others? What habitat does each finch live?

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