Campbell Biology (11th Edition)

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

Chapter 33 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 715: 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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.