Biology Words

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Across
  1. 3. Chemical substances in food that an organism needs
  2. 4. Combining simple substances to make more complex substances
  3. 5. Process by which materials enter and leave cells or get moved around in the organism
  4. 7. The study of life
  5. 11. The taking in of food
  6. 12. Producing new offspring identical to the parents: involves one parent
  7. 13. The process of releasing chemical energy from complex reactions
  8. 14. Something capable of living on its own: it has all the characteristics of life
  9. 16. Producing more offspring
  10. 17. The breakdown of food materials into simpler forms
  11. 18. How an organism takes materials from the environment and converts them to something it can use
Down
  1. 1. Increase in size of an organism
  2. 2. Involves all the chemical reactions/activities carried on in an organism
  3. 6. Involves activities that control and coordinate an organism: they help maintain homeostasis
  4. 8. Involves two parents: offspring are not identical to the parents
  5. 9. Removal of an organism's metabolic wastes
  6. 10. Involves getting rid of undigested food from the body
  7. 15. Condition of maintaining a constant internal environment