unit 1 - terminology

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Across
  1. 3. - has all the characteristics of life
  2. 8. - condition of maintaining a constant internal environment
  3. 10. - removal of an organism's metabolic wastes
  4. 13. - organisms take materials from the environment to convert them into something it can use
  5. 14. - process of releasing chemical energy from complex reactions
  6. 16. - they help to maintain homeostasis
  7. 17. - materials enter and leave cells/get moved around in the organism
  8. 18. - the taking in of food
Down
  1. 1. - involves one parent to produce offspring identical to the parents
  2. 2. - getting rid of undigested food from the body
  3. 4. - combines simple substances to make them into more complex substances
  4. 5. - chemical substances in food that an organism needs
  5. 6. - the study of life
  6. 7. - breakdown of food materials into simpler forms
  7. 9. reproduction - two parents: offspring are not identical to the parent
  8. 11. reproduction - producing new offspring:can be identical or different from the parents
  9. 12. - increase in the size of an organism
  10. 15. - all the chemical reactions carried on in an organism