Evolution CB

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