charecteristics of life

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Across
  1. 2. how an organism takes material from the enviroment
  2. 5. involves activities that control and coordinate an organism
  3. 7. reproduction involving one parent
  4. 8. removal of an organisms metabolic waste
  5. 12. involves all chemical reactions in an organism
  6. 15. process by witch materials enter and leave the cells
  7. 16. producing new offspring
  8. 17. increase in size of organism
  9. 18. the breakdown of food materials into simpler materials
Down
  1. 1. condition of maintaining a constant internal environment
  2. 3. the process of releasing chemical energy from complex reactions
  3. 4. reproduction involving to parents
  4. 6. the taking in of food
  5. 9. chemical substance in food that an organism needs
  6. 10. combining simple substances to make more complex substances
  7. 11. something capable of living on its own
  8. 13. the study of life
  9. 14. involves getting rid of undigested food