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An Introduction to Zoology:  Chapter 6
An Introduction to Zoology: Chapter 6
Published by The Lone Ranger
08-07-2008
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An Introduction to Zoology

Chapter Six: Animal Development:



Theories Regarding Animal Development:
Historically, there have been two theories regarding how animals develop. The older theory is referred to as preformation. This theory has been disproved, and it has been shown that animals develop through whatís known as epigenesis. Even so, since itís of historical interest, letís consider the notion of preformation.


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