Campbell Biology (11th Edition)

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

Chapter 32 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 683: 3



Work Step by Step

A. allowed for more complex ecological interactions, and B. allowed for greater exploitation of energy resources and, thus, of complex bodies and behaviors. D. allowed for more complex body structures. C. is of little importance since all or almost all of the Cambrian explosion occurred in the water, not on land.
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