1. By Liam J. Vella

2.  Dinosaurs were land animals  They lived at different times over a period of 180 million years  They lived in different parts of the world

3.  At first, the continents were joined together into one big land.  Later, the land slowly broke up into continents.

4. When the continents were joined into one big land, there were large deserts. At their edges grew scrubby plants on which herbivores fed.

5. Plant and animal life was most common along the riversides near the sea.

6. When continents started to break apart, the climate changed and forests formed. There was plenty of food for herbivores and carnivores.

7. There were also large plains. Here lived herds of herbivorous dinosaurs and large hungry carnivores.

8. Little is known about plant and animal life on mountains. Probably armoured dinosaurs lived here.

9. At the time of the dinosaurs, the North and South Poles were not as cold as today