Across
- 2. The factor tested during an experiment
- 7. A characteristic that allows an organism to better survive
- 8. Changes undergone by living things as they grow
- 9. Problem-solving procedures used by scientists to define a problem
- 11. span The length of time an organism is expected to live
- 12. A living things made up of two or more cells
- 13. The smallest unit of an organism
- 14. The regulation of steady life- maintaining conditions
Down
- 1. A theory that nonliving things produce living things
- 3. A reaction
- 4. The theory that living things only come from other living things
- 5. Prediction that can be tested
- 6. The standard used during an experiment
- 9. Something that and organism responds too, (ex. heat, light and odor)
- 10. An explanation based on observations