Biology 12th Edition

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

Chapter 18 - Origin and History of Life - Assess - Page 336: 15



Work Step by Step

Mass extinctions occurred in all periods except for Carboniferous, known as the age of amphibians. This period was also known for cold and dry climate and the formation of coal from the Carboniferous forest.
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