Across
- 1. population that live in defined areas
- 4. group of organism of one type that live in the same area
- 7. factor whose value depends on the independent variable
- 8. Rule of nature
- 9. a thing or event that evokes a specific functional reaction in an organ or tissue
- 11. fixed quantity is broken down into parts
- 12. comparing info collected by counting
- 13. regions of surfaces, atmosphere and hydrosphere
Down
- 2. factor that is adjusted by the experimenter
- 3. logical explanation
- 5. a maintained temperature organism
- 6. an educated guess
- 10. Trends or data over time
- 12. study of life