Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 53 - 53.3 - Concept Check: 2

Answer

It would be higher at the equator and lower towards the poles.

Work Step by Step

This pattern is indeed observed in nature-- consider the plant density of the equatorial rainforest, the temperate grasslands, the tundra, and the polar ice caps. The more intense sun at the equator is better able to sustain plant life than the weaker sun towards the poles.
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