Biology

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