CloseClose

 Encyclopedia.com -- Online dictionary and encyclopedia of facts, information, and biographies
Close window

The mother fish: by Nature Video

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.

Close

For your enjoyment and convenience, YouTube videos are automatically associated with content at Encyclopedia.com. Because videos come directly from YouTube, we cannot endorse their accuracy, content, or quality. However, we hope you find them useful or entertaining while using Encyclopedia.com.

More YouTube videos About these videos

Close window