Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 23 - Test Your Understanding - Level 2 - Application/Analysis: 4

Answer

A.

Work Step by Step

A makes sense given that these are small populations isolated from one another. That isolation eliminates B, which would tend to make for less difference anyway. D is wrong since the two sites are said to be very similar-- what could then cause differential selection --and C means little or nothing with all of the individuals being identical.
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