There's a good reason to believe, based on fossils and the shapes of the hips, that the femaleT. rexoutweighed the male by a few thousand pounds. The likely reason for this trait, known as sexual dimorphism, is that females had to lay clutches ofT. rex-size eggs and were blessed by ...
Dinosaur - T. RexFacts of Tyrannosaurus Rex Dinosaurs for KidsThe Dinosaur T. Rex was one of the greatest predators that ever lived. Find out about its size, habitat, diet and more!Tyrannosaurus Rex had powerful back legs that let it hunt prey over short distances at up to 20mph (32 ...