Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 36 - Body Fluid Regulation and Excretory Systems - Assess - Page 689: 4

Answer

C

Work Step by Step

In fresh water, fishes live in a hypotonic environment. Fish gain water through osmosis and therefore must excrete excess water to maintain the concentration of their blood. As a result, their waste is hypotonic.
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