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The mother fish: by Nature Video

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Uploaded by on Mar 2, 2009

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.

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Top Comments

  • more Nature videos!

    Nature RULES!

  • Very interesting and informative

    Another bullet in my arsenal of reason !

    Thanks for the video !

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All Comments (4)

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  • Found on the Go-Go plain - how apt!

  • Agreed

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