The Carbon Cycle

Question 1

How is Carbon Dioxide recycled by animals?

Answer 1

Carbon Dioxide in the air is removed by plants in photosynthesis and is incorporated into their cells.
Animals eat protein (other plants or animals) and use the carbon in their cells

Question 2

Can Carbon Dioxide be recycled during respiration?

Answer 2

Yes, Plants and animals respire, releasing waste carbon dioxide into the air

Question 3

How is Carbon Dioxide recycled through Combustion?

Answer 3

Combustion (burning) of fossil fuels and in forest fires (oil, coal, gas etc) releases carbon dioxide

Question 4

How is Carbon Dioxide recycled by decomposer organisms?

Answer 4

Decomposer organisms (bacteria and fungi) break down dead material and waste products, and release carbon dioxide into the atmosphere