Campbell Biology (12th Edition)

Published by Pearson
ISBN 10: 0135188741
ISBN 13: 978-0-13518-874-3

Chapter 25 - Test Your Understanding - Levels 1-2 - Remembering/Understanding - Page 550: 1

Answer

B.

Work Step by Step

A is wrong since stromatolites formed in shallow, not deep, water, and C is wrong since stromatolites involve neither plants nor fungi. D can be excluded since it was not eukaryotes which formed the stromatolites.
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