Campbell Biology (11th Edition)

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

Chapter 32 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 683: 8

Answer

From the image, this organism has lacy feeding structures which are most likely lophophores, meaning that it is probably a Lophotrochozoan. Since it also has deuterostome development, it must be from one of the phyla which has this kind of development, such as the Annelida. It must be a Bilaterian since it is a Lophotrochozoan, and that also makes it a Metazoan and a Eumetazoan.

Work Step by Step

Skim the chapter and use the key hint that this organism has a lophophore but also deuterostome-type development. This will lead to a few possible phyla, which then, by implication, shows which major clades are involved.
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