biology

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Across
  1. 4. reproduction-producing new offspring identical to the parent:involes one parent
  2. 6. of an organism metabolic waste
  3. 7. in food
  4. 8. process of releasing chemical energy from complex reaction
  5. 10. a new offspring
  6. 11. all the chemical reactions/activities carried on in an organism
  7. 12. simple substance to make complex substances
  8. 13. an organism takes materials from the environment and converts them to something it can use
  9. 14. getting rid of undigested food from the body
  10. 15. in size of an organism
  11. 17. substance in food that an organism needs
  12. 18. activities that controls and coordinates an organism :they help maintain homeostasis
Down
  1. 1. breakdown of food materials into simpler forms
  2. 2. reproduction-involves two parents :offspring are not identical to the parent
  3. 3. by which materials enter and leave cells or get moved around in the organism
  4. 5. capable of living on its own: it has all the characteristics of life
  5. 9. of maintaining a constant internal environment
  6. 16. study of life