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The fixing of nitrogen is an important part of the nitrogen cycle. Nitrogen fixing bacteria fix the nitrogen back into the atmosphere.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoIt can be fixed by nitrifying bacterias present in the root nodules of leguminous plants or by cyanophycean algae in Azolla and Cycads.
Wiki User
∙ 12y agoNothing fixes it. It is a naturally occurring gas that is part of the planet's atmosphere.
Wiki User
∙ 13y agomost nitrogen is fixed by lightning
Anonymous
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What percentage of nitrogen is fixed by nitrogen fixing bacteria?
2.3473
Atmospheric nitrogen is fixed by?
bacteria and lightning
What are two forms of fixed nitrogen?
oxygen and dioxide
What are the two ways nitrogen can be fixed?
Bacteria and Lighting
What is nitrogen changed into before being used by living things?
lightning & bacterial action (nitrogen fixers).
What is the difference between free nitrogen and fixed nitrogen?
Free nitrogen is in the air but fixed nitrogen is in the soil.
How do you get nitrogen on earth?
Nitrogen is fixed
What role does bacteria play in nitrigen fixation?
Most of nitrogen is fixed naturally by bacteria. Most nitrogen fixers are either free or sybiootic eg. Rhizobium.
What is the difference between free nitrogen and fixed nitrogen and why is this important?
All life forms need nitrogen to grow. Animals can get it from eating plants. But plants must get it from the soil. Fixed nitrogen (in the forms of nitrate ions - NO3-) is the only type of nitrogen that can be found in the soil.Note that nitrogen (as a gas - N2) makes up most of the air. Most plants can not use it because the molecules are triple-bonded.
What does it mean to have nitrogen fixed?
Nitrogen fixation is the conversion of atmospheric nitrogen, N2, into some biological form, such as ammonia, NH3, or nitrogen dioxide, NO2. In nature, this process is most often completed by nitrogen-fixing bacteria or diazotrophs. Nitrogen fixation is important because only fixed nitrogen can be used for basic biological substances such as proteins and nucleic acids.
How does nitrogen fixed by nitrogen fixing bacteria?
nkjhnef
Nitrogen in the atmosphere must be fixed before it can be used by plants. Atmospheric nitrogen is fixed by?
bacteria and lighntning
What percentage of nitrogen is fixed by nitrogen fixing bacteria?
2.3473
What is the difference between fixed nitrogen and free nitrogen?
hashdys
What is the diffrence between fixed nitrogen and free nitrogen?
OK well free nitrogen is fixed by bacteria that live in the soil. some bacteria live in nodules, or bumps , on certain plant roots. the bacteria get food from the plants, and plants absorb fixed nitrogen from the bacteria. animals get nitrogen by eating plants or by eating prey that have eaten plants. fixed nitrogen may enter the soil in other ways too. a small amount of free nitrogen in the air by lighting. it is carried to the ground by rainfall. fixed nitrogen also enters the soil because of decomposers. decomposers break down dead organisms, and fixed nitrogen is released in the soil. the fixed nitrogen can be absorbed by plant roots.
What element must be fixed by bacteria in the soil in order for plants to absorb it?
Nitrogen is the most common one.
When nitrogen is fixed it is changed into?
Yes it is.
