The Life Functions

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