Does a T. Rex have a backbone?

What did the triceratops mostly eat? What is the dinosaur with the sail on its back? What did Darwin wonder about the finches and tortoises? When did dinosaurs first come to earth? Why are dinosaurs eggs so big? What happend 3500 million years ago that caused life? What continent did allosaurus live? What is four dragons mean? Does the boy triceratops fight other dinosaurs? Were people alive in the cretaceous period? What asphalt coal and petroleum are made from the remains of living organisms what are they considered to be? What abbreviation do scientists use when referring to Tyrannosaurus rex? Who found the velociraptor? How many bones are in the velociraptors body? What were the most feared dinosaurs? What is bigger a t-rex or a African elephant? What do you call a dinosaur that never gives up? Can giganotosaurus kill argentinosaurus? How did dinosaurs change during the Cretaceous period? Did plant eating dinosaurs eat grass?