SB9k: The Carbon Cycle Flashcards
1
Q
Biomass
A
The total mass in living organisms, usually shown as the mass after drying.
2
Q
Carbon cycle
A
A sequence of processes by which carbon moves from the atmosphere, through living and dead organisms, into sediments and into the atmosphere again.
3
Q
Decay
A
A process in which complex substances in dead plant and animal biomass are broken down by decomposers into simpler substances.
4
Q
Decomposer
A
An organism that feeds on dead material, causing decay.
5
Q
Faeces
A
Undigested food that forms a waste material.
6
Q
Fossil fuel
A
A fuel formed from the dead remains of organisms over millions of years, i.e. coal, oil and natural gas.
