Ch 1 vocab

Edit Answers
123456789101112131415
Across
  1. 3. a group that is tested on everything except for the changed variable
  2. 5. act of noticing and describing events or processes in a careful, orderly way
  3. 6. a change in an organism's surroundings that causes the organism to react
  4. 7. a change in allele frequencies over time
  5. 9. data that cannot be counted or measured
  6. 10. all of the reactions that occur as your body breaks down food into molecules that cells can use
  7. 13. DNA, the universal genetic code
  8. 15. scientific explanation for a set of observations that can be tested in ways that support or reject it
Down
  1. 1. able to maintain a stable internal environment
  2. 2. an experiment only one variable is changed
  3. 4. data in numbers
  4. 8. information gathered in an experiment
  5. 11. well- tested explanation that unifies a broad range of observations and hypotheses
  6. 12. dna codes for -----
  7. 14. the smallest, functional unit of life