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Nitrogen cycle

en.wikipedia.org/wiki/Nitrogen_cycle

The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher organisms. The nitrogen c...

Science for Kids: Nitrogen Cycle - Ducksters

www.ducksters.com/science/ecosystems/nitrogen_cycle.php

The nitrogen cycle describes how nitrogen moves between plants, animals, bacteria, the atmosphere (the air), and soil in the ground. Nitrogen is an important  ...

9(s) The Nitrogen Cycle - Physical Geography

www.physicalgeography.net/fundamentals/9s.html

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 ...

The Nitrogen Cycle is the Most Important Biogeochemical Cycle ...

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The Nitrogen Cycle is the Most Important Biogeochemical Cycle The nitrogen cycle is an important cycle to the atmosphere. Nitrogen is an essential part of the  ...

Nitrogen Cycle Facts - Soft Schools

www.softschools.com/facts/earth_systems/nitrogen_cycle_facts/409/

Nitrogen is an element that is important to most living things. The nitrogen cycle describes how nitrogen moves through different objects including in the ...

What is the importance of the nitrogen cycle? | Yahoo Answers

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Mar 5, 2009 ... Best Answer: Nitrogen is an element vital to all life processes on Earth. To appreciate the importance of nitrogen in our biosphere, simply ...

The nitrogen cycle and health | Feasta

www.feasta.org/2012/04/02/the-nitrogen-cycle-and-health/

Apr 2, 2012 ... Nitrogen is necessary for life on earth to continue and the nitrogen cycle is one of the most important nutrient cycles in terrestrial ecosystems [1].

Why is an understanding of the nitrogen cycle important when ...

kb.rspca.org.au/Why-is-an-understanding-of-the-nitrogen-cycle-important-when-setting-up-a-fish-aquarium_454.html

Nov 12, 2014 ... This process is commonly referred to as the 'nitrogen cycle' or 'nitrification cycle' and refers to the establishment of beneficial bacterial colonies ...

The Nitrogen Cycle - Kimball's Biology Pages

www.biology-pages.info/N/NitrogenCycle.html

All life requires nitrogen-compounds, e.g., proteins and nucleic acids. ... the nitrifying bacteria and may turn out to play an important role in the nitrogen cycle.

Visionlearning | Earth Science | The Nitrogen Cycle

www.visionlearning.com/en/library/Earth-Science/6/The-Nitrogen-Cycle/98

This module provides an overview of the nitrogen cycle and the chemical changes ... Within the last century, humans have become as important a source of fixed ...

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Why is the nitrogen cycle important? | Reference.com

www.reference.com

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 ...

The Nitrogen Cycle - eSchooltoday

eschooltoday.com

Nitrogen is also key in the existence of ecosystems and food chains. Nitrogen forms about 78% of the air on earth. But why is this cycle so important in ...

Nitrogen in the Earth System | UCAR - University Corporation for ...

www2.ucar.edu

Nitrogen is essential to all living systems, which makes the nitrogen cycle one of Earth's most important nutrient cycles.