How Dinosaurs Grew So Huge
What allowed dinosaurs to get so big? A few factors were at play, including bird-like lungs, egg-laying and less need to chew.
How Dinosaurs Grew So Huge
Birdlike lungs and other factors may have allowed dinosaurs to grow to soaring heights.
Sun 5 Feb 12 from Livescience
Why Dinosaurs Were So Huge
What allowed dinosaurs to get so big? A few factors were at play, including bird-like lungs, egg-laying and less need to chew.
Tue 31 Jan 12 from Discovery.com
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