Nitrogen Cycle and it's contributions to agriculture and the world.

The lecture on nitrogen has brought many ways of understanding on how hard it is to get and to be used. Nitrogen indeed is in plants, animals, atmosphere, dead matter, and fecal matter. This is what I have learned besides it being in DNA and RNA from a and p 1 and 2. Nitrogen fixation has helped out in agriculture and that's why now we have alot to eat.

The nitrogen cycle is one of the most important processes in nature for living organisms. Although nitrogen gas is relatively inert, bacteria in the soil are capable of “fixing” the nitrogen into a usable form (as a fertilizer) for plants. In other words, Nature has provided a method to produce nitrogen for plants to grow. Animals eat the plant material where the nitrogen has been incorporated into their system, primarily as protein. The cycle is completed when other bacteria convert the waste nitrogen compounds back to nitrogen gas. Nitrogen is crucial to life, as it is a component of all proteins. http://periodic.lanl.gov/elements/7.html

So basically without Nitrogen the whole ecosystem is disturbed and becomes chaotic.