Answer
c.
Work Step by Step
Stomata open because guard cells swell up with water. When the guard cells become engorged with water, they bend, thus forming an opening for gas exchange. Water is lost when the stomata are open.
Biology: The Unity and Diversity of Life (14th Edition)
by Starr, Cecie; Taggart, Ralph; Evers, Christine; Starr, Lisa
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1305073959
ISBN 13:
978-1-30507-395-1
Chapter 28 - Self-Quiz - Page 481: 11
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