The Life Functions

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