Biology 2010 Student Edition

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

Chapter 28, Animal Systems II - Assessment - 28.2 Movement and Support - Understand Key Concepts/Think Critically - Page 834: 12

Answer

b.

Work Step by Step

Vertebrates have skeletons of either bone only, cartilage only, or a combination of both. For example, bony fish have skeletons made of bone, sharks have skeletons made of cartilage, and humans have skeletons made of both bone and cartilage.
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