Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 26, Animal Evolution and Diversity - 26.2 - Chordate Evolution and Diversity - 26.2 Assessment - Page 764: 2a

Answer

Both vertebrates and non-vertebrates are included in the phylum Chordata. However, the common ancestor of these animals is the invertebrate.

Work Step by Step

As above
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