Unit 2 Choice Board - Vocab Crossword

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Across
  1. 3. nonmetallic chemical element
  2. 5. layers of gases surrounding the exterior of the earth
  3. 6. main energy source of the cell
  4. 7. Process that does not require oxygen
  5. 8. Plant cell organelle where photosynthesis occurs
  6. 9. All forms of H2O on the earth
  7. 12. respiration process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  8. 14. second step of photosynthesis (calvin cycle)
  9. 15. Part of earth in which all life exists
  10. 16. Process that requires oxygen
  11. 18. (consumer) eats other organisms to get energy
  12. 19. second stage of cellular respiration
Down
  1. 1. geosphere
  2. 2. organism that breaks down waste and dead organisms
  3. 4. The breakdown of glucose by enzymes
  4. 10. electron transport chain
  5. 11. (producer) makes its own energy
  6. 13. low-energy molecule that can be converted to ATP
  7. 17. Green pigment in plants that traps sunlight for photosynthesis