In a population of mice that you are studying, tail length appears to be increasing over time.
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In a population of mice that you are studying, tail length appears to be increasing over time. However, you find no evidence that natural selection is acting on tail length.
What are two alternative explanations for your observation?
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Related Book For
Conceptual Integrated Science
ISBN: 9780321818508
2nd Edition
Authors: Paul G Hewitt, Suzanne A Lyons
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