Biology 2010 Student Edition

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

Chapter 26, Animal Evolution and Diversity - Assessment - 26.1 Invertebrate Evolution and Diversity - Understand Key Concepts/Think Critically - Page 776: 2

Answer

c.

Work Step by Step

Option a. is incorrect. Chordates belong to phylum Chordata. Option b. is incorrect. Sea stars belong to phylum Echinodermata. Option d. is incorrect. Sea anemones belong to phylum Cnidaria. Option c. is correct. Sponges belong to phylum Porifera, which means "pore-bearers" because sponges have pores or openings on their bodies.
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