Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 48 - Gas Exchange - 48.1 - Respiratory Gas Exchange Is Governed by Physical Factors - 48.1 Recap - Learning Outcomes - Page 1025: 2


Since many aquatic and marine animals are ectotherms, their rates of metabolism rise along with the temperature. These animals need more oxygen to survive under these conditions. Since water offers much less oxygen than air, this can be extremely problematic. Additionally, oxygen is less soluble in warmer water than in colder water, so even less oxygen is available to these organisms than usual.

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