Answer
(b)
Work Step by Step
The researcher was trying to find the association between the number of male bird's songs and its attractiveness to the female birds.
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 29, Animal Behavior - Standardized Test Prep - Page 857: 8
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