| A | B |
|---|
| prehistoric | before written history |
| warm-blooded | can make their own body heat |
| fossil | anything left from a prehistoric plant or animal |
| paleontologists | scientists who study prehistoric life |
| 150 million years | the length of time dinosaurs were on Earth |
| western North America | location of many dinosaru fossils |
| Maiasaura | a duckbilled dinosaur |
| sharp, pointy teeth | meat eating dinosaurs |
| odd shaped teeth | plant eating dinosaurs |
| predator | a hunting animal |
| prey | an animal that is hunted |
| stones in stomach | how dinosaurs digest food |
| the size of a football | the largest known dinosaur egg |
| walked on two legs | meat eating dinosaurs |
| walked on four legs | plant eating dinosaurs |
| extinct | every one of the kind is dead |
| ferns | a living plant that was also alive in dinosaur times |
