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The mother fish: by Nature Video

nature allows the sharing of their video plus they have a great youtube channel

evidence of reproduction by internal fertilization has been discovered in a large group of ancient jawed fish. Embryos discovered within fossils of these animals confirm that live birth in prehistoric times was much more widespread than previously thought. Watch the researchers talk about the fossils and techniques used to find them.

Added: Mar-26-2009 
By: dogbutt
Tags: nature, evolution
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