Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 26, Animal Evolution and Diversity - 26.2 - Chordate Evolution and Diversity - 26.2 Assessment - Page 764: 2c

Answer

Lungs are present in animals and perform the function of Oxygen / CO2 exchange.

Work Step by Step

As above
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