| A | B |
|---|
| phytosaurs | plant lizards |
| pterosaurs | winged lizards |
| aetisaurs | armed lizards |
| ammonites perished at the | close of the Cretaceous Period |
| archosaurs | ancestors of the dinosaurs |
| Brachiosaurus had extremely | long necks |
| Dinosaurs lived only in the | Mesozoic Era |
| All dinosaurs | lived only on land |
| Theropods include all the | carnivorous dinosaurs |
| ectothermic | cold-blooded |
| Pangaea | Supercontinent |
| Some of the oldest identified | rocks are from Greenland |
| All living and fossil birds | have a wishbone |
