Biology 12th Edition

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

Chapter 33 - The Lymphatic and Immune Systems - Assess - Page 639: 3



Work Step by Step

True adaptive immunity, involving the production of a large number of diverse antigen receptors, first evolved in jawed vertebrates.
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.