Biology Vocab

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Across
  1. 4. getting rid of undigested food
  2. 5. Activities that con troll and coordinate an organism
  3. 6. maintaining a constant internal environment
  4. 8. two parents make offspring
  5. 11. removal of metabolic wastes
  6. 12. breakdown of food materials into simple forms
  7. 14. making new offspring
  8. 15. materials enter an organism and leave or get moved
  9. 16. Increase in an organism's size
  10. 17. substances in a food that an organism needs
  11. 18. study of life
Down
  1. 1. how an organism takes materials from the environment and uses them
  2. 2. producing new offspring with only one parent
  3. 3. combining simple substances to make complex substances
  4. 7. taking in food
  5. 9. all the chemical reactions carried on in an organism
  6. 10. something capable of living on its own
  7. 13. releasing chemical energy from complex reactions