Across
- 2. close to our time
- 4. what happened to the animals
- 5. resembled carnivores
- 8. one of the first horse-like animals during this time
- 11. this was the age of the
- 12. birds during this time had this size of wings
- 13. contributed to extinction
- 14. meat eaters
- 16. when the Alps were formed
- 17. this age was during this era
- 18. are 4 billion years old
- 19. mammoth the biggest mammal during this time
Down
- 1. 65 million years ago to this
- 3. opened in 65 million years ago
- 6. survived the meteor shower
- 7. had a 7 foot wing span
- 9. plant eaters
- 10. when the era began
- 14. what you're doing
- 15. what the mammals did over time