| A | B |
|---|
| DINOSAURS | Animals that lived millions of years ago. |
| SPECIES | A group of living things that can produce living things of the same kind |
| FOSSIL | The very old remains of a plant or animal |
| EXTINCT SPECIES | A species that has disappeared |
| HABITAT | The place where aplant or animal lives |
| EMU | A large modern bird from Australia. It cannot fly. |
| ENDANGERED SPECIES | A species that has so few members that the entire species is in danger of becoming extinct |
| INDRICOTHERE | It was the largest land mammal ever known. |
| DIATRYMA | A large bird that is now extinct. It could not fly. |
| WOOLLY MAMMOTHS | Mammals that had a thick coat, curved tusks, and a large head |
| SABER-TOOTHED CAT | A fierce-looking mammal with big teeth. It was not a fast runner because its legs were short. |
