Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 22, Introduction to Plants - Assessment - 22.1 What Is a Plant - Understand Key Concepts/Think Critically - Page 658: 3

Answer

c.

Work Step by Step

Plants take in carbon dioxide because this gas is used in photosynthesis along with water to make glucose. The byproduct of photosynthesis is oxygen, which is given off as a gas because it is a waste product of this reaction.
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