Living Fossils' Aren't Really a Thing
Season 1 Episode 16 | 5m 5s Video has closed captioning.
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.
Problems Playing Video? | Closed Captioning