Across
- 4. capable of living on its own
- 5. entering or leaving the cell
- 7. rep. two parents
- 8. producing new offspring
- 9. removal of metabolic waste
- 11. relaeasing chemical energy
- 14. takes material into something useful
- 17. rep. one parent
- 18. chemical substance in food
Down
- 1. taking in of food
- 2. maintaining internal environment
- 3. all chemical reactions
- 6. helps to maintain homeostasis
- 10. breakdown of food
- 12. study of life
- 13. simple substances to more complex
- 15. getting rid of undigested food
- 16. increases in the size of an organism