Across
- 1. the study of life
- 6. process by which materials enter and exit a cell
- 7. getting rid of undigested food
- 8. the breakdown of food into smaller simpler forms
- 10. removal of metabolic waste
- 12. combining simple substances to make complex substances
- 13. condition of maintaining a constant internal environment
- 14. reproduction with one parent
- 15. involves chemical relations/activities carried on in an organism
- 18. producing new offspring
Down
- 2. something with every characteristic of life capable of living on its own
- 3. chemical substances in food
- 4. how an organism takes materials from the environment and converts them to something it can use
- 5. process of releasing chemical energy from complex reactions
- 9. reproduction with 2 parents
- 11. activities that help maintain homeostasis
- 16. increase in size of an organism
- 17. the taking in of food