Carbon Dioxide
Biology: IB Diploma Higher Level, topic 8.4.1
Carbon Dioxide in the Atmosphere
Carbon dioxide is a greenhouse gas. Therefore, it is important to keep its atmospheric concentration at suitable levels.
Carbon dioxide removal
- Carbon dioxide is removed from the atmosphere naturally by green plants and algae during photosynthesis.
- Other natural stores of carbon include bodies of water and peat bogs.
Carbon dioxide release
- Carbon dioxide is released into the atmosphere naturally as the waste product of respiration.
- However, many other unnatural processes, such as the burning of fossil fuels, also release carbon dioxide.
Test yourself on Carbon Dioxide
What is carbon dioxide an example of?
How is carbon dioxide released into the atmosphere?
How is carbon dioxide removed from the atmosphere?
Carbon dioxide is a greenhouse gas, which means its atmospheric concentration must be kept at suitable levels. Which of the following are true regarding carbon dioxide?