
The Rise and Reign of the Mammals with Stephen Brusatte
Factually! with Adam Conover
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How Do We Know That It's a Single Ancestors?
Palaeontologist: Fossils help us put together a family tree that shows these species of ou time. We have fossils of things that approximate that ancestor, but we also have genetic evidence. And we can see that everything, as youknow, diverse, from mammals to tua reptiles to codiles, lizards, birds, all these things share features of the genetics that you could trace down to a single common ancestor.
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