The Mother Fish

By: NatureVideoChannel

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Uploaded on March 02, 2009 by NatureVideoChannel Powered by YouTube

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.

Tags:
Internal Fertilization, Early Jawed Vertebrates, Paleontology, Fossils, Prehistoric, Research, Science, Naturevideo, Nature, Npg, Science & Tech
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