Exam study guide

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Across
  1. 3. carbon going around the earth from organism through the crust of the earth then finally to the atmosphere
  2. 7. sperm and egg cell
  3. 8. cells a body cell
  4. 11. to take a carbon bases place
  5. 13. over mixes up the dna for more variation
  6. 14. a change in the dna code
  7. 17. gases that can put out heat
  8. 18. used to capture sunlight
  9. 19. a nonliving thing
  10. 21. living thing
  11. 22. a different tye of mutation where you put a base in
  12. 23. geological or human put out lots of carbon
Down
  1. 1. dead organism break down from the earth
  2. 2. a diffrent type of Dna where one goes away
  3. 4. breakdown of glucose with oxygen
  4. 5. oxygen plus sugar = water sunlight energy
  5. 6. a piece of the DNA code such as ct ad
  6. 9. basic code to a living thing
  7. 10. cells new living piece of life
  8. 12. copying of DNA
  9. 15. coping of cells twice
  10. 16. breakdown glucose without oxygen
  11. 20. fuels oil and gas and other ways to but out heat