Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 34 - 34.1 - Concept Check - Page 720: 3


All groups to the right of the mark should have lungs or similar structures.

Work Step by Step

The mark indicates the development of lungs (or similar structures), so it would be expected that creatures after it in this evolutionary chain would have such structures.
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