Across
- 2. Study of life
- 6. A possible explanation for a scientific question
- 10. Simple version of a complex system
- 12. Study of interactions between organisms and their environment
- 13. All the chemical reactions taking place inside an organism
- 14. Traits that improve an organism's chances of survival
- 15. Set of parts working together for a common goal
Down
- 1. Producing more organisms like themselves
- 3. A group of cells working together to do a job
- 4. Process of becoming an adult
- 5. Basic unit of life
- 6. Maintaining a stable internal environment
- 7. Increase in size
- 8. Output from a system is used as input
- 9. Process where characteristics in a population change over time
- 11. Communities of organisms and their physical environment