Biology 2010 Student Edition

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

Chapter 7, Cell Structure and Function - 7.2 - Cell Structure - 7.2 Assessment - Page 205: 2b

Answer

The contractile vacuole maintains water balance by pumping out excess water.

Work Step by Step

The contractile vacuole exerts pressure, which pumps out excess water and maintains water balance.
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