secondary succesion		the breakdown of dead materials
decomposition		the movment of water through oceans, the enviroment, and the atmosphere
pioneer species		succesion grown after a natural disater
nitrogen fixation		the first organisms that grow in an area
evaporation		returning water to the enviroment
photosynthesis		the movement of nitrogen in the enviroment to living things and back again
nirogen cycle		bacteria in the soil are able to change nitrogen into gas
ground water		the development of a community on exposed rock
carbon cycle		when sugar molecules are broken down to release energy
primary succesion		a gradual development over time
respiration		the process of burning fuel
succesion		the movement of carbon in the enviroment to living things and back again
water cycle		water stored under-ground
combustion		the process of plants getting carbon to make sugars
transpiration		changes into a vapor
precipitation		falls from the sky in a form of rain,sleet,snow,or hail