Across
- 2. Law of gravity
- 5. used to show how a fixed quantity is broken down into parts
- 7. an educated guess
- 9. factor that is adjusted by the experimenter
- 11. things that have all the characteristics of life
- 12. part of the earth that contains all ecosystems
- 13. a thing or event that evokes a specific functional reaction in an organ or tissue
- 14. a characteristic of life
Down
- 1. useful for comparing information collected by counting
- 3. shows trends or how data changes over time
- 4. Black hole theory
- 6. factor whole value depends on the independent variable
- 8. the study of life
- 10. community and its nonliving environment