biology

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Across
  1. 3. Substances created during a chemical reaction
  2. 7. Type of organism that must eat other organism that must eat other organisms to obtain energy.
  3. 9. Describes a situation in which oxygen is present
  4. 10. Third step of aerobic respirations
  5. 11. Type of oganism that breaks down biotic compound into abiotic compunds, recyclers
  6. 14. Process of using light energy to make glucose
  7. 16. Sphere of earth, all living things on earth
  8. 18. Anything that has mass and takes up space
  9. 19. organelle, site of steps 2 and 3 aerobic cellular respiration
  10. 20. Sphere of earth, all the water on earth
Down
  1. 1. Type of organism that is able to make its own food
  2. 2. Sphere of earth, all the gases surrounding earth
  3. 4. Describes a situation in which oxygen is not present
  4. 5. Second step of respiration
  5. 6. Sphere of earth, all the rocks and soil on earth
  6. 8. Organelle, site of photosynthesis
  7. 12. Pigment in chloroplasts used to trap light energy during photsynthesis
  8. 13. Second step of Aerobic respiration
  9. 15. First step of Aerobic Respiration
  10. 17. Substances at the beginning of a chemical reaction