Fossils and Geologic Time
Across
- 5. animals get stuck in tar and freeze
- 9. replacing someone or something
- 10. usually amber or some copals
- 12. era between the Paleozoic and Cenozoicera the most recent geologic era
- 13. not living
- 15. an era between 2 eras
Down
- 1. dates to geological time events
- 2. young layers on bottom
- 3. old layers on top
- 4. animal or print preserved
- 6. when fuel is heated without air
- 7. stony substance
- 8. when rocks get substances inside
- 11. if a rock is older or younger
- 14. fossil or footprint