Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 24 - Test Your Understanding - Level 3 - Synthesis/Evaluation: 9


All human populations can freely interbreed, producing healthy, fertile offspring. Any isolating mechanism could in theory lead to speciation in future-- say, if technology disappears and populations are isolated from one another, genetic drift might eventually lead to speciation.

Work Step by Step

Review the biological species concept and the first part of the chapter to see how humans qualify as a single species. Then review isolating mechanisms to try to find one which might eventually occur for humans.
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