Answer
A
Work Step by Step
B. is not in the clam not C. in the octopus. D. is not seen in the clam. Only A. is found in all three organisms mentioned in the question.
Campbell Biology (12th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0135188741
ISBN 13:
978-0-13518-874-3
Chapter 33 - Test Your Understanding - Levels 1-2 - Remembering/Understanding - Page 717: 1
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