Carbon Oxygen Cycle Quiz

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Across
  1. 2. The release of carbon by breathing
  2. 3. It is a vital exchange of carbon and oxygen.
  3. 5. The breakdown of organic materials that releases carbon towards the atmosphere.
  4. 8. What is released in respiration?
  5. 9. What atom is converted in photosynthesis?
  6. 10. Converts light and CO2 to sugar and oxygen.
  7. 12. They are responsible for 50% of global photosynthesis.
  8. 13. Burning this releases CO2.
Down
  1. 1. Burning of fossil fuel releases this compound
  2. 4. The release of carbon due to burning.
  3. 5. This releases carbon due to the cutting of trees.
  4. 6. Example of this are bacteria and fungi.
  5. 7. The heating of the environment due to carbon dioxide.
  6. 10. They need carbon for photosynthesis and growth.
  7. 11. They need oxygen for respiration and energy.