Lungs ventilated with water occur in some animals—most notably sea cucumbers—but are rare. Why would water lungs be unlikely to be favored by natural selection? Give as many reasons as possible.

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter46: Gas Exchange: The Respiratory System
Section46.5: Respiration At High Altitudes And In Ocean Depths
Problem 1SB: What are the key evolutionary adaptations that diving mammals use to survive at significant ocean...
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Lungs ventilated with water occur in some animals—most
notably sea cucumbers—but are rare. Why would water lungs be
unlikely to be favored by natural selection? Give as many reasons
as possible.

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