Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 44 - 44.3 - Concept Check - Page 981: 1

Answer

Flatworms have protonephridia, earthworms have metanephridia, and insects have Malpighian tubules.

Work Step by Step

Flatworms and earthworms both remove waste products from interstitial fluid through ciliated cells/channels to the proto- or metanephridia, respectively. Insects remove waste products from interstitial fluid through Malpighian tubules into the excretory end of their digestive systems.
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