biology

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Across
  1. 5. An inherited characteristic that increases an organisms chance of survival.
  2. 6. DNA codes for _______________
  3. 8. All of the reactions that occur as your body breaks down food into molecules that cells can use.
  4. 9. well-tested explanation that unifies a broad range of observations and hypotheses
  5. 12. act of noticing and describing events or processes in a careful, orderly way
  6. 13. Process in which cells become specialized in structure and function.
  7. 14. A change in an organism's surroundings that causes the organism to react.
  8. 15. DNA, the universal genetic code
  9. 16. variable that changes in response to the independent variable
Down
  1. 1. data that cannot be counted or measured
  2. 2. A change in allele frequencies in a population over time.
  3. 3. scientific explanation for a set of observations that can be tested in ways that support or reject it
  4. 4. Data that is in numbers
  5. 7. variable that is deliberately changed in an experiment
  6. 10. Maintaining a stable, internal environment.
  7. 11. a group that is tested on everything except for the changed variable