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Discovering Dinosaurs

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by

Ewa Pitcher

on 21 February 2015

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Transcript of Discovering Dinosaurs

Introduction
Dinosaurs first appeared in triassic period. There are different types of dinosaurs. We can learn about them in detail.
Velociraptor
Velociraptor is a dinosaur that lived approximately 75 million years ago during the cretaceaous period. It was bipedal, feathered carnivore with a long tail and a sickle shaped claw on each hindfoot to tackle his prey.
T-Rex
T-Rex is a dinosaur that lived approximately 68 to 66 million years ago. T-Rex was also bipedal carnivore with a massive skull balanced by a long heavy tail. T-Rex had short forelimbs and had two clawed digits and it is one of the largest known land predator.
Hypsilophodon
Hypsilophodon lived in the early Cretaceous period about 125 million year ago. It had a beak made of horn cheek pouches and 28 to 30 selfsharpening cheek teeth it had slender legs, stiffendtail, large eyes, strong jaws, five fingered hand and four toed feet. Its a plant-eating ornithopod.
Discovering Dinosaurs
Triceratops
Triceratops lived in the late cretaceous period about 72 to 65 million years ago. Triceratops was a rhinoceros-like dinosaur. It had three horns on its face along with a large bony plate projecting from the back of its skull. Triceratops was a herbivore. So triceratops was hunted and eaten by T-rex
Conclusion
65 million years ago the lost dinosaur went extinct scientist have yet to find an answer to it they believe an extra terrestrial impact, such as an asteroid are comet led to the destruction of the dinosaurs.
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