Across
- 3. getting ride of organisms wastes
- 6. organisms taking materials and making them useable
- 8. parents producing new offspring
- 11. producing offspring same to parents involving one parent
- 13. the size of an organism increasing
- 14. involves all activities carried on in organism
- 15. taking in food
- 17. helps maintain homeostasis
- 18. breaking food down in simpler forms
Down
- 1. materials get moved around in the organism
- 2. releasing chemical energy from complex reactions
- 4. maintaining a constant internal enviorment
- 5. the study of life
- 7. offspring not identical with two parents
- 9. something an organism needs from chemical substances in food
- 10. combining substances to create more complex substances
- 12. getting rid of undigested food from the body
- 16. a living thing