<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation

Nitrogen Cycle

Nitrogen is essential for life and is constantly being recycled by living things. Learn about the cycle of nitrogen in our ecosystems.

Atoms Practice
Estimated4 minsto complete
%
Progress
Practice Nitrogen Cycle
Practice
Progress
Estimated4 minsto complete
%
Practice Now
Turn In
Nitrogen Cycle
Loading... 

Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes
Please to create your own Highlights / Notes
Show More

Vocabulary

ammonification

The process in which nitrogen, in the form of ammonium ions, is released during decomposition of plants and other organisms.

denitrification

Process of converting nitrates in soil back into nitrogen gas; part of the nitrogen cycle.

nitrification

Process of converting ammonium ions to nitrites or nitrates; part of the nitrogen cycle.

nitrogen cycle

Interconnected pathways through which nitrogen is recycled through the biotic and abiotic components of the biosphere.

nitrogen fixation

Process of changing nitrogen gas to nitrates; carried out by nitrogen-fixing bacteria in the soil or in the roots of legumes.

Image Attributions

Explore More

Sign in to explore more, including practice questions and solutions for Nitrogen Cycle.
Please wait...
Please wait...