Biology 2010 Student Edition

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

Chapter 25, Introduction to Animals - 25.1 - What is an Animal? - 25.1 Assessment - Page 735: 1a

Answer

All animals are multicellular, heterotrophic, and eukaryotic organisms.

Work Step by Step

Animal bodies are composed of multiple cells (multicellular), get their energy from complex organic substances (heterotrophic), and have a membrane-bound nucleus and other membrane-bound organelles (eukaryotic).
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