Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07802-426-9
ISBN 13: 978-0-07802-426-9

Chapter 29 - Vertebrate Evolution - Assess - Page 563: 14

Answer

E.

Work Step by Step

A major difference between birds and the other reptiles is that birds have air sacs.
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.