Biology 2010 Student Edition

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

Chapter 34, Endocrine and Reproductive Systems - Assessment - 34.4 Fertilization and Development - Understand Key Concepts/Think Critically - Page 1005: 25



Work Step by Step

At the fetus stage, many of the major organs have already formed. It can usually move around at this time.
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