Across
- 3. The land mass that eventually drifted to create the continents
- 6. The 2nd largest measures of time
- 8. The age of mammals
- 9. Large reptiles that roamed the earth during the Mesozioc era
Down
- 1. The eon contains the mesozoic, cenozoicera, and paleozoicera eras
- 2. The Era that housed the first life on earth, mostly aquatic animals
- 4. What killed the dinosours
- 5. The Era in which many large reptiles lived
- 7. The largest measures of time