Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 36 - Plant Form - Review Questions - Synthesize: 2


Lenticels are used to help with gas exchange in woody stems--they are like snorkel valves on the outside of the stem. A tuber in wet soil would similarly be helped to exchange gas (such as waste carbon dioxide) by a lenticel.

Work Step by Step

Look in the text to see what lenticels are normally know for doing, and try to see how this could also be helpful in wet soil. Thinking about a snorkel is a useful analogy.
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