Biological Science (6th Edition)

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

Chapter 23 - Evolutionary Processes - Review: 4

Answer

B.

Work Step by Step

Evolutionary fitness measures of how many healthy, fertile offspring an organism contributes to the next generation. So, how many offspring which an organism produces, if the offspring themselves can live (healthy) and reproduce (fertile), tells you about evolutionary fitness. The other options might have an effect on making healthy, fertile babies, but there is no definite connection, unlike in B.
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