Dinosaurs are a type of reptile, and they evolved from another group of reptiles called ‘dinosauromorphs’ around 250 million years ago. The dinosauromorphs were small and humble animals, and they didn’t look anything like T. rex or Brontosaurus.
Instead, they were the size of house cats, walked on all fours, and had long, skinny limbs like a greyhound. The dinosauromorphs weren’t at the top of the food chain, but their speed and agility ensured their success.
Read more:
- Why didn’t dinosaurs evolve to be more intelligent?
- What if the dinosaurs had survived?
- How do we know what dinosaurs looked like?
- What makes a dinosaur a dinosaur?
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