Biology class

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Across
  1. 2. reproduction Involves two parents
  2. 5. Involves all the chemical reactions carried on in an organism
  3. 6. Combining simple substances to make more complex substances
  4. 8. condition of maintaining a constant internal environment
  5. 9. Reproduction Involves one parent
  6. 13. The breakdown of food materials into simpler forms
  7. 15. How an organism takes materials from the environment and converts them to something it can use
  8. 17. Removal of an organisms Metabolic wastes
  9. 18. Materials enter and leave cells
Down
  1. 1. something capable of living on its own
  2. 3. Producing new offspring
  3. 4. Releasing chemical energy from complex reactions
  4. 7. Control and coordinate an organism
  5. 10. Involves getting rid of undigested food from the body
  6. 11. The study of Life
  7. 12. Chemical substances in food that an organism needs
  8. 14. The taking in of food
  9. 16. Increase in size of an organism