Biology (11th Edition)

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

Chapter 23 - Systematics, Phylogenies, and Comparative Biology - Review Questions - Understand - Page 478: 5

Answer

A.

Work Step by Step

C. and D. imply that these limbs are synapomorphies, derived rather than homologous and inherited from a common ancestor, which disagrees with the correct answer. B. is wrong since it incorrectly states that these vertebrate forelimbs are not inherited from a common ancestor.
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