Carbon And Nitrogen Cycles Vocab Review

Front

Plants take in CO2 to make food.

Back

Photosynthesis

Front

Long-dead plants and animals turn into ________ which release CO2 when burned.

Back

fossil fuels

Front

Organisms in oceans die, depositing carbon layers on the ocean floor.

Back

Sedimentation

Front

Burning fossil fuels releasing CO2 and oxidized compounds is called __________

Back

combustion

Front

Organisms release CO2

Back

Cellular Respiration

Front

Decomposers break down dead organisms and return carbon to soil.

Back

Decomposition

Front

Process of decomposers breaking down dead organisms and returning nitrogen to soil: ____________

Back

decomposition

Front

Animals obtain nitrogen by consuming plants and other animals.

Back

Consuming

Front

Live in plant roots, can fix nitrogen.

Back

Nitrogen Fixing Bacteria

Front

Air is 78% nitrogen gas, unusable by plants/animals.

Back

Atmospheric Nitrogen (N2)