Campbell Biology (11th Edition)

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

Chapter 39 - 39.4 - Concept Check - Page 863: 1

Answer

Abscisic acid causes the plants to close their stomata. Plants producing an excess of this acid would have their stomata closed more often than the wild type.

Work Step by Step

Closed stomata would halt much evaporative cooling that would otherwise occur on the surface of the leaves on mutant plants, making them warmer than the wild type.
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.