Biology

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