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: 3

Answer

21 percent

Work Step by Step

The percentage of rats resistant to warfarin is indicated by the yellow-shaded regions on the pie graphs. In Olfen, 21 percent of the pie graph is shaded yellow, meaning that 21 percent of the wild rat population in Olfen were resistant to warfarin.
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