Across
- 4. Involves getting rid of undigested food from the body
- 6. The progress of releasing chemical energy from complex reactions
- 8. How an organism takes materials from the environment and converts them to something it can use
- 12. Involves activities that control and coordinate an organism: they help maintain homeostasis
- 13. Combining simple substances to make more complex substances
- 14. Producing new offspring
- 15. Producing new offspring identical to the parents: involves one parent
- 16. Chemical substances in food that an organism needs
- 17. Progress by which materials enter and leave cells or get moved around in the organism
Down
- 1. The study of life
- 2. The breakdown of food materials into simpler forms
- 3. involves all the chemical reactions carried on in an organism
- 5. Removal of an organism's metabolic wastes
- 7. Involves two parents: offspring are not identical to the parent
- 9. Condition of maintaining a constant internal environment
- 10. Increase in size of an organism
- 11. The taking in of food
- 18. Something of living on its own: it has all the characteristics of life