5. The Iguanodon was a plant eater (herbivore).

7. Triceratops had anywhere between 400 and 800 teeth, although only a small percentage of these were in use at any one time as they were constantly replaced throughout its lifetime. It needed its three horns to try and protect itself from the Tyrannosaurus Rex which lived during the same time period Tyrannosaurus Rex

8. Homo habilis, an early human who evolved around 2.3 million years ago, was probably the first to make stone tools..