Season 6 · Episode 4 of 68
Aired Feb 8, 2022
How Vertebrates Got Teeth... And Lost Them Again
Tue, Feb 8, 2022
0 of 68 watched this season
As revolutionary as teeth were, they would go on to disappear in some groups of vertebrates. But why?
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Airs
Tue, Feb 8, 2022
Show
PBS Eons
246 episodes
Episode
S6 · E4
in PBS Eons