Science and Plants

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Across
  1. 1. A colorless, odorless gass found in air
  2. 4. Occurs in impure form in charcoal, soot, and coal
  3. 6. A person or thing that eats something
  4. 7. The process that uses sunlight, carbon dioxide and water
  5. 10. The process that combines oxygen with foodstuff molecules
  6. 13. An organic compound that provides energy for processes in living cells
  7. 14. A sugary energy source
  8. 15. A form of electromagnetic radiation
Down
  1. 2. An organism that decomposes organic material
  2. 3. An organism that produces organic compounds from simple substances
  3. 5. The life supporting component of air
  4. 8. A community of interacting organisms and their physical environment
  5. 9. Resulting from living things
  6. 11. Not derived from living organisms
  7. 12. A colorless liquid that forms oceans, seas and rivers