Dinosaurs such as Supersaurus used air sacs, which enabled them to survive on lower oxygen levels characteristic of the Triassic. Mammals Vs. Dinos: Dinosaur Air Sacs More Videos Online

Mammals Vs. Dinos: Dinosaur Air Sacs

Dinosaurs such as Supersaurus used air sacs, which enabled them to survive on lower oxygen levels characteristic of the Triassic.

Added: Oct 23, 2008
Views: 28418 Views
Runtime: 02:51

 
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