Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 24 - Self-Quiz - Page 413: 13

Answer

c. annelids/mollusks

Work Step by Step

Both annelids and mollusks have a similar larval form, which is a free-swimming translucent organsim with cilia .It is called as a trochophore.This suggests an evolutionary heritage.
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