Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 1 - 1.2 - Concept Check - Page 16: 2


The green warbler finch would have lived in an area where a long, slender beak shape was the best suited tool for finding food. This could be for pulling insects out of holes, or for a specific kind of fruit. As these finches were better suited for their environment, they would be more likely to survive and produce more offspring, causing the slender beaks to gradually become the norm for the species.

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