Scientific method

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Across
  1. 4. 2 cells meet to create this
  2. 6. maintaining stable and internal
  3. 9. Our body is made out of these to function
  4. 10. cannot be counted or measured
  5. 12. Changes that changes in response
  6. 13. DNA codes for_
Down
  1. 1. Structure determines_
  2. 2. A change in allele in frequencies over time
  3. 3. info gathered in an experiment
  4. 5. testing in controlled environment
  5. 7. well tested explanation
  6. 8. Data using numbers
  7. 11. Act of noticing in an orderly way