Geologic time scale

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