Campbell Biology (10th Edition)

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

Chapter 52 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 1183: 11

Answer

Ecological time and evolutionary time can overlap, though generally speaking evolutionary time is significantly longer.

Work Step by Step

Sometimes ecological changes can cause evolutionary changes on a shorter timeframe out of necessity. For example, some Pacific pink salmon populations have undergone genetic changes in response to their water warming over the last 100 years. These changes have triggered them to begin migrating earlier as spring arrives earlier.
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