Campbell Biology (11th Edition)

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

Chapter 39 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 869: 3



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.
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