The nitrogen cycle is important due to its role as a basis for the production of nitrogen that is essential to all forms of life. The atmosphere contains a vast majority of the nat...
What Is the Nitrogen Cycle?
The nitrogen cycle refers to the way that nitrogen moves through the environment, a process that begins in the atmosphere and moves as nitrogen is changed into a usable form. Learn about the process of fixation with help from a science teacher and field...
A simple diagram of the nitrogen cycle. The blue boxes represent stores of
nitrogen, the green writing is for processes that occur to move the nitrogen from
This module provides an overview of the nitrogen cycle and the chemical
changes that govern the cycle.
It is found in amino acids, proteins, and genetic material. Nitrogen
is the most abundant element in the atmosphere (~78%). However, gaseous nitrogen
must be 'fixed' into another form so that it can be used by living organisms. More »
Nitrogen is one of the primary nutrients critical for the survival of all living
organisms. Although nitrogen is very abundant in the atmosphere, it is largely ...
The nitrogen cycle represents one of the most important nutrient cycles found in
terrestrial ecosystems (Figure 9s-1). Nitrogen is used by living organisms to ...
An explanation of the different forms of nitrogen on earth, nitrogen fixation, decay,
Mar 4, 2014 ... NITROGEN CYCLE:Nitrogen is the important essential element for all living
organisms by the synthesis of Amino acids, proteins, Enzymesetc.
The Nitrogen Cycle. Take a deep breath. Most of what you just inhaled is nitrogen
. In fact, 80% of the air in our atmosphere is made of nitrogen. Your body does ...