Bio 3 crossword puzzle 1

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Across
  1. 3. This is a study where the volunteers are given sugar pills
  2. 5. The organ that sets us apart from all other organisms
  3. 6. This is used to gain knowledge on how the world works
  4. 8. These are caused by bacteria
  5. 9. this is how scientists start a theory
  6. 10. these can grow or impede knowledge
  7. 12. this is your genetics
  8. 13. This is where you grow up
Down
  1. 1. This is correlation that has a cause and effect
  2. 2. examples of this are visual, and tactile
  3. 4. This is an educated guess
  4. 7. similarities in data
  5. 11. This is a physical process