Campbell Biology (12th Edition)

Published by Pearson
ISBN 10: 0135188741
ISBN 13: 978-0-13518-874-3

Chapter 23 - Test Your Understanding - Levels 1-2 - Remembering/Understanding - Page 505: 2

Answer

C.

Work Step by Step

A and B are wrong since they are not generally true and D can have some effect, though it is dwarfed by C.
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