The Carbon Cycle

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The Carbon Cycle

• The movement of carbon through the living and
  nonliving parts of the biosphere.

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Biological processes

• Photosynthesis
• Cellular Respiration
• Decomposition

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Photosynthesis

• Plants use carbon dioxide from the atmosphere for
  photosynthesis
• Carbon is stored in carbohydrates

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Cellular Respiration

• The carbohydrates produced during photosynthesis
  are used for cellular respiration.
• CO2 is released into the atmosphere.

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C6H12O6 6O2 -----gt 6CO2 6H20 energy
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Decomposition and Burial

• Bacteria and fungi decompose dead organisms
• Dead organisms may be buried and converted under
  pressure into fossil fuels

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Human Activities

• Cutting and burning forests releases CO2 into the
  atomosphere
• Burning fossil fuels also releases CO2 into the
  atmosphere

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Carbon Cycle Role Play