Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 33 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 711: 10



Work Step by Step

“Invertebrate” refers to a paraphyletic group which includes any organism that does not have an endoskeleton that develops from a notochord. Most animals are invertebrates, but not all are derived from the same common ancestor.
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