Energy and Biogeochemical Cycles

Front

Biogeochemical Cycle

Back

The ways in which an element moves in the Biosphere.

Front

What is the only process that removes carbon from the atmosphere? Options: combustion, cellular respiration, photosynthesis, decomposition

Back

photosynthesis

Front

What converts nitrogen into a useable form for plants and animals?

Back

bacteria

Front

Which nutrient is not cycled through the atmosphere? Options: carbon, nitrogen, phosphorous, water

Back

phosphorous

Front

Photosynthesis is an important part of the ______ cycle

Back

Carbon

Front

In evaporation, water _______

Back

turns from a liquid state to vapor (gas)

Front

How do animals get nitrogen? Options: the atmosphere, eating other organisms, rainwater, lightning

Back

eating other organisms

Front

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide. Options: Water, Atmosphere, Sun, Air

Back

Atmosphere

Front

During which phase of the nitrogen cycle is nitrogen gas returned to the atmosphere? Options: Ammonification, Nitrogen fixation, Nitrification, Denitrification

Back

Denitrification

Front

During which phase of the nitrogen cycle are nitrates taken up into plant roots? Options: Ammonification, Assimilation, Nitrification, Denitrification

Back

Assimilation