Campbell Biology (10th Edition)

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

Chapter 39 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 865: 3

Answer

D.

Work Step by Step

A. is wrong since auxin was discovered after the Darwins finished working, and B. is wrong since it is blue light, not red, which is important. C. can be excluded since auxin is relocated, not destroyed, in response to light.
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.