Plot: Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that weren’t mammals at all
Eons - Season 5 - The Traits That Spawned the Age of Mammals (Episode 17)
Episode Aired On:
Wednesday, July 21 2021
3 years ago
Wednesday, July 21 2021
3 years ago