Nitrogen Cycle

Front

Which definition best describes the Nitrogen Cycle?

Back

How nitrogen circulates through the ecosystem

Front

Organisms that need nitrogen to survive.

Back

all living things

Front

Gas that makes up 78% of our atmosphere.

Back

Nitrogen

Front

Can plants and animals use nitrogen directly from the air?

Back

True

Front

The process that allows organisms to use nitrogen

Back

assimilation

Front

A correct path that nitrogen could take would be Options: air -> animals -> plants -> bacteria, animals -> air -> bacteria -> plants, bacteria -> air -> plants -> animals, air -> bacteria -> plants -> animals

Back

air -> bacteria -> plants -> animals

Front

What happens when organisms die and decay?

Back

Their nitrogen returns to the soil

Front

_____ is the conversion of organic nitrogen into ammonia

Back

Ammonification

Front

Nitrification happens in the ______
Options: Air , Soil , Ground Water , Plants 

Back

Soil 

Front

Majority of nitrogen fixation occurs by: Biological nitrogen fixing organisms, Lightning, volcanic eruptions, Haber–Bosch process

Back

Biological nitrogen fixing organisms