Biology 2010 Student Edition

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

Chapter 21, Protists and Fungi - Assessment - 21.2 Protist Classification - Understand Key Concepts/Think Critically - Page 628: 2



Work Step by Step

The first eukaryotes appeared on Earth more than a billion years ago. They were unicellular. Today, protists are classified as eukaryotes that do not belong to the fungi, plant, or animal kingdoms.
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