Across
- 5. maintaining a constant internal environment
- 7. involves two parents
- 10. releasing chemical energy
- 12. the breakdown of food
- 15. the taking in of food
- 16. how an organism take material from the environment
- 17. increase size of an organism
- 18. the study of life
Down
- 1. they help maintain homeostasis
- 2. chemical substances in food
- 3. invovles all the chemical reactions
- 4. involves one parent
- 6. materials enter and leave cells or get moved around
- 8. removal of an organisms metabolic wastes
- 9. producing new offspring
- 11. help getting rid of undigested food from the body
- 13. combining simple substances
- 14. something capable of living on its own