Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 23 - Evolutionary Processes - Review - Case Study: 12

Answer

A.

Work Step by Step

Fitness is affected by traits which change how well individuals survive and contribute fertile offspring to the next generation. A. fulfills that definition, while B. is something which changes and which cannot be consistently selected for or against. C. is also something changeable and hard to consistently select, while D. deals with individual choice or will, which lies outside natural phenomena and natural selection.
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