The Tyrannosaurus Rex was a very large dinosaur. Measuring 50 feet long, the Tyrannosaurus stood over 20 feet tall. The head of the Tyrannosaurus was five feet long and filled with large teeth that were seven inches long each (Benton 125). Having a very large skull put a tremendous strain on its body, so to counterbalance its weight, the tyrannosaurus had a strong attachment of backbone to pelvis which allowed its body to pivot at its hip (Wilford 142). With its body balanced right, the Tyrannosaurus walked on two legs, and it had two very short arms.

The Tyrannosaurus was one of the most feared dinosaurs. The word Tyrannosaurus means "tyrant reptile". Since the

Tyrannosaurus Rex was a meat-eater, its teeth were shaped in zig-zag form which allowed it to cut through meat like a steak knife (Benton 161). It mainly relied on its strength when catching prey. Beca

would snatch up the babies without the mother's knowing it. (Wilford 136). When a prey was targeted, the Velociraptor would run very fast after the prey so as to get in front of it. Once in front, it would jump into the air at the prey's stomach, dig its sharp claw into its stomach and kick until the prey was dead (Wilford 136). The teeth of the Velociraptor were sharp and had jagged edges on the side which were also a deadly weapon.

foot of the Velociraptor was a three inch claw which was very sharp and curved in a sythe-like position (Benton 126). Its head was very long and low with a flat snout. Paleontoligists believe that the Velociraptor was closely related to birds due to their body structure. There has also been evidence shown that the Velociraptor was one of the smartest dinosaurs that ever lived (Wilford 221).

gone, another Velociraptor, which was hiding in the bushes,

The Brontosaurus's body was built perfectly for its diet. The Brontosaurus was a herbivore, which means it ate leaves, grass, and other plants. Using its long neck, it would stretch to the top of trees and eat the leaves off the branches. The jaw muscles were very strong, and were used to strip bark off trees and to break branches (Benton 163). Its mouth was filled with 2000 teeth which were large and bowl-shaped (Wilford 84).

The Tyrannosaurus Rex, Velociraptor, and the Brontosaurus are different in all aspects of life including body structure, diet, and discovery. The Tyrannosaurus Rex was the meanest and most brutal of all, while th

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