natural selections

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Across
  1. 3. a thought out explanation for observation
  2. 7. a diffrent or distinct form of verison of something,
  3. 8. develop gradually especally from a simple to a more complex form
  4. 12. hide or disgues the present of a person
  5. 13. recieve money or property or title as in their own or their preveious holder
Down
  1. 1. ideas that all species is related
  2. 2. the organisms better adapt to their enviorment
  3. 4. 1 of the scientist who came up with the theory of evolution.
  4. 5. the action or process of being mutated
  5. 6. gradually change overtime
  6. 9. the process of adapting or being adapted
  7. 10. living organism exchanging genes
  8. 11. the other scientist who came up with the evolution