Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 21 - 21.3 - Concept Check - Page 448: 3


Prokaryotes compete with one another in small spaces with limited resources, so significant selection pressure exists for quick and efficient copying of the genome. This would be easier if the genome were kept small.

Work Step by Step

Review earlier material on natural selection, and think about the different lives of prokaryotes and eukaryotes, especially with reference to the length of their lives and lifecycles.
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