Across
- 4. fossil forms through carbon
- 7. fossil forms through mineral
- 8. small scale evolution
- 9. bending and buckling
- 11. young rocks top old rocks bottom
- 14. comparing fossil in layers to find age
- 15. differences in species
Down
- 1. large scale evolution
- 2. natural selection
- 3. dating based on radioactive isotopes
- 5. a fossil used to find the age of layer
- 6. the best adapted survive weak die
- 10. shifts or slides the rock
- 12. record every fossil ever found
- 13. genetic change