Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 22 - Section 22.7 - Paleozoic Era: Life Explodes - Concept Checks - Page 690: 3

Answer

A group of fish called the lobe-finned fish is thought to have left the ocean to become the first amphibians.

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