Lamarck's_Two-Factor_Theory.svg
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Summary
Description Lamarck's Two-Factor Theory.svg |
English:
Lamarck's two-factor theory involves 1) a complexifying force that drives animal body plans towards higher levels (orthogenesis), and 2) an adaptive force that causes animals with a given body plan to adapt to circumstances (use and disuse, inheritance of acquired characteristics). Popular views of Lamarckism only consider an aspect of the adaptive force.
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Date | |
Source | Own work |
Author | Ian Alexander |
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