photosynthesis and cellular respiration cross word puzzle (there are no spaces in-between words)

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Across
  1. 4. where does cellular respiration occur
  2. 7. oxygen is needed
  3. 8. what makes the leaves green on a plant
  4. 10. chemical formula for cellular respiration ( USE symbols like + and = but there are no spaces and no numbers.)
  5. 12. another word for when an animal has to eat other animals to get food
  6. 13. no oxygen is needed
Down
  1. 1. produced by anaerobic respiration when your muscles don't get enough oxygen
  2. 2. chemical formula for photosynthesis (USE symbols like + and = but there are no spaces and no numbers)
  3. 3. anaerobic process when yeast break down sugars to form carbon dioxide
  4. 5. occurs only in plants
  5. 6. occurs in both plants and animals
  6. 9. where photosynthesis takes place
  7. 11. another word for when a plant can make its own food