Web Results

Nitrogen cycle - Wikipedia


The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into various .... Ammonium is thought to be the preferred source of fixed nitrogen for phytoplankton because its assimil...

How does the nitrogen cycle work? | Reference.com


The nitrogen cycle works by driving the circulation of nitrogen through biotic and abiotic components of an ecosystem. The cycle begins and ends with molecular ...

The Nitrogen Cycle - SIUE


The Nitrogen Cycle. How does the nitrogen cycle work? ▫. Step 1- Nitrogen Fixation- Special ... nitrogen gas (N2 ) to ammonia (NH3) which the plants can use.

Science for Kids: Nitrogen Cycle - Ducksters


Kids learn about the nitrogen cycle and how this nutrient travels through the ... We do this by adding nitrogen into the soil with fertilizer as well as other activities  ...

How the Nitrogen Cycle Works | Owlcation


Dec 13, 2016 ... This hub outlines the nitrogen cycle, its importance, and how ... Nitrogen by itself is actually quite inert (does not react), so it has to be ... deposits atmospheric nitrogen into the soil, where bacteria known as diazotrophs work ...

The Nitrogen Cycle


Overview: The nitrogen cycle involves three major steps: nitrogen fixation, ... The plants do not use the ammonia directly, but it's a product of the waste. Nitrogen ...

The Nitrogen Cycle - Kimball's Biology Pages


All life requires nitrogen-compounds, e.g., proteins and nucleic acids. ... proteins made by plants enter and pass through food webs just as carbohydrates do.

How does the nitrogen cycle work? - reptools home


Home › Why do fish and other living things have different roles in the aquarium? ... Nitrogen cycle is the process of converting toxic ammonia into harmless ...

Nitrogen Cycle


The Chemical Cycles. The Nitrogen Cycle Organisms require nitrogen to produce amino acids. Nitrogen makes up seventy-eight percent of the atmosphere, but ...

The Nitrogen Cycle - eSchooltoday


The Nitrogen Cycle Nitrogen is also key in the existence of ecosystems and food chains. Nitrogen forms about 78% of the air on earth. But plants do not use ...