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Dinosaurs

Dinosaurs all had four limbs. But many of them walked on

two legs.

Dinosaur skulls had large holes. These holes made their skulls

lighter. Some of the largest skulls were almost as long as a car.

All dinosaurs laid eggs—some in nests just like birds do today.

Babies developed inside eggs until they were ready to hatch.

Major kinds of meat-eating dinosaurs

Tyrannosaurus rex Tarbosaurus Allosaurus

Major kinds of plant-eating dinosaurs

Brachiosaurus Stegosaurus Triceratops

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