Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07802-426-9
ISBN 13: 978-0-07802-426-9

Chapter 20 - Viruses, Bacteria, and Archaea - Assess - Page 371: 1

Answer

b. they cannot reproduce independently.

Work Step by Step

Viruses are considered nonliving because they can replicate only by using the metabolic machinery of a host cell. They do not have a metabolism and they do not respond to stimuli. In conclusion, the correct answer would be that they cannot reproduce by themselves.
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