Dinosaurs are archosaurs, a larger group of reptiles that first appeared about 251 million years ago, near the start of the Triassic Period.
Some key features of dinosaurs are:
Having an upright stance, stand with their legs that are perpendicular to their body. But there are some who flies in the air and swam in the waters of the world.
- they laid eggs just like common reptiles.
- Mainly, they possessed large, strong jaw that can devour and eat their prey.
Parts of the Dinosaurs
Apatosaurus
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