Across
- 4. Well-tested explanation that unifies a broad range of observations and hypotheses.
- 6. An experiment in which only one variable is changed.
- 7. A change in allele frequencies in a population over time.
- 9. act of noticing and describing events or processes in a careful, orderly way.
- 11. An inherited characteristic that increases an organism's chance of survival.
- 13. A type of reproduction when offspring are clones of the parent.
- 14. A change in an organism's surroundings that causes the organism to react.
- 16. The smallest, functional unit of life.
Down
- 1. Maintain a stable, internal environment.
- 2. Process in which cells become specialized in structure and function
- 3. variable that is deliberately changed in an experiment.
- 5. DNA, the universal genetic code.
- 8. Structure determines _____
- 10. information gathered in an experiment
- 12. DNA codes for _____
- 15. All the reactions that occur as your body breaks down food into molecules that cells can use.
