Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 33 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 715: 4



Work Step by Step

Porifera lacks a digestive system, and so could not have a gastrovascular cavity that the Cnidarians do have, and it also has no body cavity, so it could not possess a coelom.
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