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5441376
4.3 Carbon Cycling
Description
International Baccalaureate Biology Mind Map on 4.3 Carbon Cycling, created by Carolina Guimaraes on 16/05/2016.
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carbon
cycling
biology
international baccalaureate
Mind Map by
Carolina Guimaraes
, updated more than 1 year ago
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Created by
Steve Harton
over 10 years ago
Copied by
Carolina Guimaraes
over 8 years ago
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Resource summary
4.3 Carbon Cycling
Nature of Science
Making accurate, quantitative measurements
Reliable data on the concentration of carbon dioxide and methane in the atmosphere
Aim 8
Diverting crops such as maize from a food to a fuel crop
Methane
Methanogenic archaeans produce methane from organic matter in anaerobic conditions
Diffuses in the atmosphere
Oxidized to CO2 and water in the atmosphere
Accumulates in the ground
Partially decomposed organic matter
Coal
Gas
Oil
Peat forms because of acidic or anaerobic conditions in waterlogged soils
Construct a diagram
CO2 is produced by cell respiration
CO2 diffuses
Atmosphere
Analysis of data from air monitoring stations to explain annual fluctuations
Carbon fluxes should be measured in gigatonnes
Water
In aquatic ecosystems carbon is present as dissolved CO2 and hydrogen carbonate ions
Reef-building corals and mollusca have hard parts
Calcium carbonate
Can become fossilized in limestone
Autotrophs convert CO2 into carbohydrates and other carbon compounds
CO2 is produced by the combustion of biomass and fossilized organic matter
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