Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 18 - Origin and History of Life - Assess - Page 336: 9

Answer

c.

Work Step by Step

The Carboniferous period, which is the time when coal-forming forests appeared and flourished, is part of the latter portion of the Paleozoic era. The Carboniferous period began about 359 million years ago and ended about 299 million years ago. The Paleozoic era began about 542 million years ago and ended about 251 million years ago. Therefore, the Carboniferous period lay within the Paleozoic era.
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