BIOLOGY IS LAME

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Across
  1. 5. contains chlorophyll and in which photosynthesis takes place
  2. 7. an organism that decomposes organic material.
  3. 10. the part of the world in which life can exist
  4. 11. chemical element with the symbol C
  5. 12. use sunlight to synthesize foods from carbon dioxide and water
  6. 14. citric acid cycle
  7. 15. most plentiful element in Earth's atmosphere and is a constituent of all living matter
Down
  1. 1. anaerobic (non-oxygen-requiring) pathway for breaking down glucose
  2. 2. a series of four protein complexes that couple redox reactions
  3. 3. green coloring matter found mainly in the chloroplasts
  4. 4. energy molecule
  5. 6. any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
  6. 8. powerhouse of the cell
  7. 9. requiring free oxygen
  8. 13. the breakdown of glucose by enzymes, releasing energy and pyruvic acid.