IB Carbon cycle

Identify the type of organisms that can take up carbon dioxide and convert it into organic compounds

• Consumers

• Detritivores

• Saprotrophs

• Autotrophs

State the type of rock that consists mainly of calcium carbonate

What deposits form due to the partially decomposed plant matter in acidic and anaerobic conditions?

• Peat

• Limestone

• Coral reefs

• Oil

What term describes the transfer of large quantities of carbon from place to another?

Identify the process responsible for the greatest flux of carbon

• Combustion of fossil fuels

• Deforestation

• Ocean uptake

• Photosynthesis

Identify the gas released through the breakdown of organic matter in anaerobic conditions by a group of prokaryotic archaeans

• Nitrogen

• Methane

• Carbon monoxide

• Sulphur dioxide

Identify the process carried out by both heterotrophs and autotrophs that returns carbon dioxide to the atmosphere

• Fossilization

• Respiration

• Partial decomposition

• Photosynthesis

State the term that describes a method of carbon storage in an ecosystem

Identify the acid that forms when carbon dioxide reacts with water

• Hydrochloric acid

• Sulphuric acid

• Carbonic acid

• Nitric acid

Identify the process that is causing a large and increasing quantity of carbon dioxide into the atmosphere

• Combustion

• Photosynthesis

• Fossilization

• Methanogenesis