Biology 2010 Student Edition

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

Chapter 34, Endocrine and Reproductive Systems - Standardized Test Prep - Page 1007: 4



Work Step by Step

Option A is incorrect. Implantation occurs when the blastocyst becomes embedded in the uterine wall. Option B is incorrect. Gastrulation is the process by which the three cell layers of the body are formed. Option D is incorrect. Fertilization is the union of egg and sperm cells to produce a single cell. Option C is correct. Neural folds come together to form a neural tube during the process of neurulation.
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