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 59.11 - Data Analysis: 2

Answer

By 2-fold to 4-fold.

Work Step by Step

Look at Fig. 59.11. As you see a 90% decrease (say, from 10^2 to 10 or from 1 to 10^-1), the extinction rate goes up by 2- to 4-fold.
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