Biology Unit 2

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Across
  1. 1. reactions second step of photosynthesis, uses energy in ATP+NADPH to make glucose from CO2
  2. 4. type of organism that is able to make its own food, base of the food chain
  3. 7. first step of aerobic respiration, breaks down glucose into pyruvate
  4. 10. process of using light energy to make glucose
  5. 12. anything that has mass and takes up space
  6. 15. all the water on the earth
  7. 18. site of aerobic respiration that creates the most ATP
  8. 20. type of organism that must eat other organisms to obtain energy
Down
  1. 2. adenosine triphosphate, charges energy storage molecule with 3 phosphorus groups
  2. 3. sphere of earth, all the gases surrounding the eart
  3. 5. substances at the beginning of a chemical reaction, changed into products
  4. 6. site of photosynthesis
  5. 8. pigment in chloroplast, used to trap light energy during photosynthesis
  6. 9. nutrient, used in proteins + nucleic acids must be "fixed" for living things to use, often limited
  7. 11. substances created during a chemical reaction, made from reactants
  8. 13. adenosine diphosphate, uncharged energy storage molecule with 2 phosphates
  9. 14. all the rocks and soil on the earth
  10. 16. all the living things on earth
  11. 17. describes a situation in which oxygen is present
  12. 19. second step of anaerobic respiration, 2 types include alcoholic + lactic acid