Biology (11th Edition)

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

Chapter 8 - Photosynthesis - Review Questions - Apply: 6

Answer

d.

Work Step by Step

The extra cost of C4 photosynthesis is unnecessary in cooler, wetter climates. a. would require some evolutionary change in some plants, but it has happened more than once and so could happen again, and other plants do have the needed enzymes (b.). c. can be excluded since it is special tissues surrounding the transport tissue which C4 have in their leaves.
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