Dinosaurs were around, roaming earth for ages. Many different types of dinosaurs, in different periods, all called earth their home, with food and water. But it was a dangerous place, with the big hunters snatching smaller ones off the ground and eating it. Or a Triceratops fighting off a Tyrannosaurus Rex. You had to be on your guard, ready for anything. Even the rocky terrain and volcanoes proved a challenge all had to face everyday. So let's look at the dinosaurs, the ones that roamed the earth, all those years ago.