UNIT 2

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Across
  1. 2. Sphere of Earth, all of the rocks and soils of Earth
  2. 3. Pigment in chloroplasts, used to trap light energy during photosynthesis
  3. 4. type of organism that makes its own food, base of the food chain
  4. 9. Describes a situation where oxygen is present
  5. 10. Nutrient used in phosphate of nucleic acids and phospholipids of membranes, often limited
  6. 14. Organelle, site of 2 + 3 of cellular respiration
  7. 16. type of organism that breaks down living things and return nutrients to soil, recyclers
  8. 18. type of organism that relies on eating other living things
  9. 19. Sphere of Earth, all of the water of Earth
  10. 20. Describes a situation where oxygen is not present
  11. 21. Adenosine triphosphate, charged energy storage molecule with 3 phosphates
Down
  1. 1. Process of breaking down glucose, starts with C6H12O6 and O2, ends with CO2 and H2O
  2. 5. Process of using light energy to make glucose, starts with CO2 and H2O, ends with C6H12O6 and O2
  3. 6. substance at the beginning of a chemical reaction, changed to product
  4. 7. Nutrient used in proteins of nucleic acids, must be fixed for living things to use, often limited
  5. 8. Sphere of Earth, all of the living things on Earth
  6. 11. Nutrient forms backbone for all macromolecules in living things
  7. 12. Sphere of Earth, all of the gases surrounding Earth
  8. 13. substance created during a chemical reaction, made from reactants
  9. 15. Adenosine diphosphate, uncharged energy storage molecule with 2 phosphates
  10. 17. Organelle, site of photosynthesis