Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 34 - Protostomes - Review Questions - Synthesize: 1

Answer

Clams and scallops are excellent at filtering water since they are filter feeders. Pollution can increase when these organisms decline since there is nothing else to pull pollutants out of the water.

Work Step by Step

Look at how bivalve mollusks go about their lives: the big feature is filter feeding. Then imagine how this affects levels of pollutants in the water.
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