Across
- 2. removal of undigested wastes
- 4. increase in an organism
- 6. maintaining homeostasis
- 9. offspring from two parents
- 10. release of chemical energy
- 13. entering or exiting cells
- 14. maintaining internal environment
- 16. something capable of living on its own
- 17. reproduction offspring from one parent
Down
- 1. the breakdown of foods
- 3. converting materials into something else
- 5. chemical reactions in an organism
- 7. removal of metabolic wastes
- 8. asexual or sexual offspring
- 11. chemical substance an organism needs
- 12. taking in of food
- 15. study of life