Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 33 - Animal Diversity and the Evolution of Body Plans - Review Questions - Apply - Page 659: 4

Answer

D.

Work Step by Step

Eumetazoans have three tissue layers, so all of A.-C. are required to be a eumetazoan. D. is, thus, the best choice.
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