Animal Diversity 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073524255
ISBN 13: 978-0-07352-425-2

Chapter 1 - Review Questions: 14


The four main components of natural selection are: genetic variation, inheritance (of genes), overpopulation, and differential survival and reproduction (those with the best suited traits for the environment survive longer and reproduce, passing on their traits). The random components are genetic variation and inheritance, and the nonrandom components are overpopulation and differential survival and reproduction.

Work Step by Step

Darwin's theory is made of four main components, two of which are random and two are nonrandom.
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