Across
- 5. what is analyzed during the fourth step of the scientific method
- 7. what is conducted during the third step of the scientific method
- 9. the system of measurement used by scientists
- 10. a signal to which an organism responds
- 11. describes what can be learned from the experiment
- 13. a prediction made during the second step of the scientific method
- 15. reproduction that requires two parents
- 16. the smallest units of life
- 17. the standard unit of volume in the metric system
- 20. the rate at which an organism uses energy
- 21. how an organism changes over its own lifespan
Down
- 1. stable internal conditions
- 2. the genetic code for most living organisms
- 3. what is asked during the first step of the scientific method
- 4. the standard unit of mass in the metric system
- 6. reproduction that requires one parent
- 8. the study of life
- 12. the temperature scale used by scientists
- 14. the process by which organisms change over generations
- 18. the process of creating offspring
- 19. the standard unit of length in the metric system