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: 8



Work Step by Step

Lamarck observed that species could change their characteristics; however, he was wrong in the mechanism of this change. He thought that through the use or disuse of certain body parts, these body parts could somehow change. He also theorized that these acquired traits could be passed on to an organism's offspring. We now know that these acquired characteristics cannot be passed on to offspring.
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