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Size and Weight: Tyrannosaurus rex was one of the largest carnivorous dinosaurs, reaching lengths of up to 40 feet (12 meters) and weighing around 9 tons (8,000 kilograms).
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Bite Force: T. rex had an exceptionally powerful bite force, estimated to be between 8,000 to 12,000 pounds per square inch (psi), making it one of the strongest known bite forces in the animal kingdom.
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Time Period: T. rex lived during the late Cretaceous period, approximately 68 to 66 million years ago, shortly before the mass extinction event that ended the reign of the dinosaurs.
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Teeth: It had large, serrated teeth that were capable of crushing bone and tearing through flesh. Some of its teeth could grow up to 8 inches (20 centimeters) long.
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Vision and Senses: Recent studies suggest that T. rex had relatively good vision and an excellent sense of smell, which would have been advantageous for hunting and scavenging.