Across
- 3. getting rid of undigested food in an organism
- 6. combining simple substances to from complex substances
- 8. all the chemical reactions
- 9. something capable of living on its own
- 10. two parents
- 13. activities that help control homeostasis
- 15. producing new offspring
- 17. condition of maintaining a constant internal environment
- 18. process by with materials enter or leave cells or get moved around in the organism
Down
- 1. removal of wastes
- 2. increasing in size of an organism
- 4. one parent
- 5. the taking in of food
- 7. the process or releasing chemical energy from complex reactions
- 11. chemical substances in food that an organism needs
- 12. the study of life
- 14. how an organism takes materials from the environment and con them into something it can use
- 16. the breakdown of foods into similar forms