Across
- 2. The study of life
- 6. ______ variable is the factor that can be changed
- 10. A factor that causes an organism to react
- 11. _____ variable is the factor being measured
- 13. Maintaining conditions for life
- 14. Changes over an organism's lifetime
Down
- 1. Explanation of natural phenomenon base on many observations
- 3. Anything that has all the characteristics of life
- 4. Body of knowledge based on the study of nature
- 5. Production of offspring
- 7. Testable explanation
- 8. Reaction to a stimulus
- 9. Response to an environmental factor
- 12. Organisms that can produce fertile offspring
- 15. Scientific ____ is a series of problem-solving procedures