Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 17 - Data Analysis Activities - Page 291: 1


Stadtlohn and Olfen

Work Step by Step

The percentages indicated in the red-shaded portion of the pie graphs indicate the percentage of rats resistant to both warfarin and bromadiolone. In Stadtlohn, 87 percent of the rat population were resistant to both warfarin and bromadiolone. In Olfen, about 58 percent of the rats were resistant to both poisons. Both 87 and 58 percent represent a majority of the rat populations in Stadtlohn and Olfen, respectively.
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