The Life Functions

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