Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 22 - Self-Quiz - Page 372: 2

Answer

a. mosses

Work Step by Step

Lignin is only found in vascular plants, which include the ferns and monocots, but not bryophytes such as the mosses. This substance lends support to xylem walls, allowing vascular plants to grow taller than bryophytes.
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