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A reaction that releases carbon dioxide and water from organic molecules
Carbon sink in the ocean -- shells -- sediment -- rock (fossilization)
Moves carbon dioxide from the air to the sea, or vise versa
Combustion moves carbon from fossil fuels in lithosphere to CO2 in the atmosphere
CO2 dissolves in oceans -- carbonic acid -- makes pH more acidic
The energy value is calculated over whole year, which allows for seasonal variations in populations
Converts carbonates in corals and molluscs into sedimentary rocks
Populations of different species and their abiotic environment
One species is likely to survive than another in competition because it has more food sources and if one dies, they still have things to eat
The populations interact with each other and with their environment
Containing carbon as hydrocarbon molecules from fossilization of organic molecules
Animals in the ocean consume phytoplankton and other animals passing carbon through the food webs
Moves carbon containing organic compounds from organism to organism
Organisms that produce food for themselves and other organisms
Autotrophs obtain inorganic nutrients from the abiotic environment
The energy content of different animals is calculated which takes account of size as well as the nutritional value of organisms (1g of bone has less energy than 1g of muscle)
Primary consumers absorbs energy from the producers, secondary consumers absorbs energy from the primary producers
Dead leaves, dead animals and faeces adds organic molecules to the litter / detritus
The populations interact with each other, through feeding chains, competition, predation etc
Saprophytes and detritivores decompose organic molecules, adding inorganic nutrients to the soil