Watch the Bozeman Biology BIOGEOCHEMICAL CYCLES videoand complete the following ?’s in your BILL

WHY DO WE NEED THESE?

C - __________________________________________H- __________________________________________N- __________________________________________O- __________________________________________P - __________________________________________S - __________________________________________

How is the movement of energy and matter different in ecosystems?

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WATER CYCLERESERVOIR = _____________________________Leaves ocean by: ______________________________________Return to ocean by: ___________________________________Gets into plants by ____________________________________Gets into animals by: ___________________________________Returns back to environment by: ___________________________

CARBON CYCLERESERVOIR= _______________Gets into plants from atmosphere by: _____________________Gets into animals by: ______________________________Organisms return carbon to atmosphere by: ______________________

NITROGEN CYCLEName the process by which bacteria change nitrogen gas in atmosphere intoa form usable by plants?

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How do animals (including humans) get nitrogen needed to build molecules?

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Name the process that returns nitrogen to the atmosphere from the soil ___________ __________________

Which organisms are important in keeping nitrogen cycling betweenthe atmosphere and living things? ___________________

PHOSPHORUS CYCLEWhich is the only cycle that does not pass molecules through theatmosphere? ______________________

RESERVOIR: ____________________________How does phosphorus move from rocks into soil? ___________________________Gets into plants by: ______________________________________Gets into animals by: _____________________________________Soil returns phosphorus to rock through _____________ cycle

CARBON CYCLE

NITROGEN CYCLE

PHOSPHORUS CYCLE