Biology 2010 Student Edition

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

Chapter 25, Introduction to Animals - Assessment - 25.1 What is an Animal? - Understand Key Concepts/Think Critically - Page 746: 4



Work Step by Step

Option a. is incorrect. Invertebrates have no vertebral column. Option b. is incorrect. Prokaryotes are not animals. Option c. is incorrect. Homeostasis is the maintenance of a constant internal environment. Option d. is correct. Vertebrates have a vertebral column.
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