Biology (11th Edition)

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

Chapter 59 - Conservation Biology - Figure 59.4 - Data Analysis: 1

Answer

If these things are true, then those ecosystems which are near areas around the green line in Fig. 59.4b are at most risk in the near future.

Work Step by Step

The green line shows the average current growth rate. Bear in mind that current growth is driven in the vast majority of areas by longer lifespan, not increased birthrate, and will soon turn negative due to mortality of the elderly increasing.
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