1.4 The Carbon Cycle

1. What percentage of a living organism is carbon?

20%

Define carbon cycle

movement of carbon around the biosphere

List the 7 processes that drive the carbon cycle

1. photosynthesis

2. respiration

3. exchange

4. sedimentation

5. burial

6. extraction

7. combustion

Define photosynthesis

process where plants and other organisms convert light, energy, water, and CO2 into glucose

1. Under what conditions is the exchange of carbon between Earth’s surface and atmosphere in a steady state?