Biology Unit 2

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Across
  1. 3. First step of photosynthesis
  2. 5. First step in aerobic respiration, breaks down glucose into pyruvate.
  3. 6. Organelle, site of steps 2+3 in aerobic respiration.
  4. 9. Organelle in which photosynthesis occurs.
  5. 10. Sphere of earth, consisting of all the gases.
  6. 11. An organism that must consume other organisms to get energy.
  7. 13. A cells energy, with only two phosphorus groups.
  8. 15. Sphere of Earth on which all living things are.
  9. 19. Second step of photosynthesis, uses energy to make glucose.
  10. 21. Green pigment in the chloroplast, used to trap sunlight.
  11. 24. Process of breaking down glucose to make ATP.
  12. 25. Forms the backbone for all macromolecules in living things.
  13. 26. Nutrient used in phosphates...often limited
  14. 27. Third step of aerobic respiration
  15. 28. Second step of aerobic respiration, pyruvate is broken down.
Down
  1. 1. Second step of aerobic respiration; alcoholic + lactic acid.
  2. 2. Nutrient, must be fixed for living things.
  3. 4. An organism that makes its own food
  4. 7. A process that does not require energy
  5. 8. Breaks down and recycles other organisms.
  6. 12. A cells energy, 3 phosphorus groups.
  7. 14. Process of capturing light and turning it into glucose
  8. 16. Substances created during a chemical reaction; from reactants.
  9. 17. Sphere of Earth where all rocks and geodes are.
  10. 18. Sphere of Earth that contains all of the water.
  11. 20. A process that requires oxygen.
  12. 22. Anything that has mass or takes up space.
  13. 23. Substances at the beginning of a chemical reaction, changes into product.