Dinosaurs Facts for Kids
Dinosaurs ruled the Earth for over 160 million years before going extinct about 66 million years ago.
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Dinosaurs Facts for Kids
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Dinosaurs were a diverse group of reptiles that dominated terrestrial ecosystems for over 160 million years. From the tiny Compsognathus to the colossal Argentinosaurus, they came in every shape and size imaginable. Their reign ended approximately 66 million years ago when a massive asteroid struck Earth.
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Key Points
Dinosaurs first appeared during the Triassic period, about 230 million years ago
They're divided into two main groups: Saurischia (lizard-hipped) and Ornithischia (bird-hipped)
The largest dinosaurs were sauropods, reaching lengths of over 40 metres
T. rex had a bite force exceeding 12,800 pounds
Modern birds evolved from small feathered theropod dinosaurs
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🦖 What were dinosaurs?
Dinosaurs were a group of reptiles that first appeared during the Triassic period. They ranged from tiny chicken-sized creatures to massive beasts longer than three school buses!
Go deeper🔬 Types of dinosaurs
There were two main groups: Saurischia (lizard-hipped) like T. rex and Brachiosaurus, and Ornithischia (bird-hipped) like Triceratops and Stegosaurus. Some ate plants, others were fierce predators.
Go deeper💥 Why did they go extinct?
Most scientists believe a giant asteroid (about 10 km wide) hit Earth 66 million years ago. The impact triggered global wildfires, tsunamis, and a prolonged 'impact winter' that blocked sunlight.
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