Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 16, Darwin's Theory of Evolution - Assessment - 16.2 Ideas that Shaped Darwin's Thinking - Understand Key Concepts/Think Critically - Page 476: 9



Work Step by Step

In artificial selection, nature has already given organisms different characteristics for which humans can select. By breeding organisms with desirable characteristics, humans provide the selection pressure. In this case, the breeders would choose cows that give a lot of milk and use these cows for breeding so that the breeders can almost guarantee that the offspring of these selected cows will also give a lot of milk.
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