The Life Functions

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Across
  1. 1. The reaction to a change in the environment
  2. 6. A change in the environment that causes a response
  3. 8. Substances that an organism needs for energy and growth
  4. 10. Process by which organisms produce new organisms of their own kind
  5. 11. Process by which substances enter and leave and organism and become distributed within it
  6. 12. Breakdown of complex food materials into a simpler form that an organism can use
  7. 14. All the chemical reactions occurring within an organism
  8. 16. The removal of wastes from the body of an organism
Down
  1. 2. Process of combining simple substances to form more complex substances
  2. 3. The control and coordination of activities
  3. 4. Process by which living organisms increase in size
  4. 5. Condition in which the internal environment is kept constant
  5. 7. Process of releasing chemical energy
  6. 9. A living thing
  7. 13. Taking in of food from the environment
  8. 15. The removal of undigested food