natural selection

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Across
  1. 2. the act or process of changing to better suit a situation
  2. 4. something come from something then grows to something better
  3. 5. something u assume
  4. 6. of different things
  5. 9. to receive from ones mother or father
  6. 11. the disguising of military's
  7. 12. based on idea that all species are related
  8. 13. in condition
Down
  1. 1. off choice conscious decision to change
  2. 3. of a animal's that have muliplityed
  3. 7. selection-to be natural picked
  4. 8. creates slightly different versions of same genes
  5. 10. of