NITROGEN CYCLE

Front

Which process converts atmospheric nitrogen into a form usable by plants?

Back

NITROGEN FIXING BACTERIA

Front

What process of the nitrogen cycle occurs in the roots of plants?

Back

Nitrogen fixation

Front

How much of the atmosphere is composed of nitrogen gas?

Back

78%

Front

The process that allows organisms to use nitrogen: assimilation, denitrification, fixation, ammonification

Back

assimilation

Front

According to this diagram, plants absorb: nitrates, nitrogen fixing bacteria, animals, decomposers

Back

nitrates

Front

How do animals get nitrogen?

Back

eating plants

Front

Bacteria that change nitrates back into nitrogen gas released into the atmosphere.

Back

Denitrifying

Front

What is a correct path that nitrogen could take? Options: air -> animals -> plants -> bacteria, animals -> air -> bacteria -> plants, bacteria -> air -> plants -> animals, air -> bacteria -> plants -> animals

Back

air -> bacteria -> plants -> animals

Front

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

Back

bacteria

Front

Can plants and animals use nitrogen directly from the air?

Back

True