Campbell Biology (11th Edition)

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

Chapter 54 - 54.1 - Concept Check - Page 1219: 3



Work Step by Step

Since the two different food sources are isolated from one another, the two finch varieties are not likely to often come in contact with finches from the other group to reproduce. This is a significant reproductive barrier between them.
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