Eons

Living Fossils' Aren't Really a Thing

Season 1 Episode 16 | 5m 5s

Crocodiles, horseshoe crabs and tuatara are animals that have persisted for millions of years, said to have gone unchanged since the days of the dinosaurs. But even the most ancient-looking organisms show us that evolution is always at work.

Aired: 02/15/18

Rating: NR

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