Across
- 1. the study of life
- 3. chemical substances in food that an organism needs
- 5. involves activities that control and coordinate an organism; they help to maintain homeostasis
- 6. involves all the chemical reactions/activities carried on in an organism
- 8. the taking in of food
- 10. condition of maintaining a constant internal environment
- 12. producing new offspring; either identical to or different from the parents
- 14. involves getting rid of undigested food from the body
- 15. increase in the size of an organism
- 17. removal of an organism's metabolic wastes
Down
- 2. something capable of living on its own; it has all the characteristics of life
- 4. how an organism takes materials from the environment and converts them to something it can use
- 5. the process of releasing chemical energy from complex reactions
- 7. combining simple substances to make more complex substances
- 9. Reproduction producing new offspring identical to the parents; involves one parent
- 11. process by which materials enter and leave cells or get moved around in an organism
- 13. the breakdown of food materials into simpler forms
- 16. Reproduction involves two parents; offspring are not identical to the parent