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What are the two ways nitrogen can be fixed?
Nitrogen can be fixed by lightning during thunderstorms, a process that converts nitrogen gas (N2) into nitrates (NO3-) that can be used by plants. Nitrogen can also be fixed by certain soil bacteria called nitrogen-fixing bacteria, which convert N2 into a form that can be taken up by plants.
What is the difference between fixed nitrogen and free nitrogen?
Fixed nitrogen refers to nitrogen that has been converted into a form that can be readily used by plants, such as ammonia or nitrates. Free nitrogen, on the other hand, refers to nitrogen gas (N2) that makes up about 78% of the Earth's atmosphere and is not readily available for use by most organisms until it is fixed.
How do use nitrogen normally?
Nitrogen takes up most of the air we breathe
What gas takes up most of the air?
Nitrogen
How many cells make up an individual nitrogen-fixing bacteria?
Nitrogen fixation is a uniquely prokaryotic. This a one celled organism.
Which element takes up 78 percent of the world?
Nitrogen
What process in an organism is linked to the carbon cycle but not the nitrogen cycle?
Photosynthesis is a process in an organism that is linked to the carbon cycle but not the nitrogen cycle. In photosynthesis, carbon dioxide is taken up by plants to produce glucose and oxygen, which are important components of the carbon cycle. However, nitrogen is not directly involved in this process.
After an organism dies what happens to the nitrogen in the body?
When an organism dies, the nitrogen in its body is returned to the environment through decomposition processes. Microorganisms break down the organic matter, releasing nitrogen back into the soil where it can be taken up by plants and reused in the ecosystem.
What takes up 80 percent of the air?
Nitrogen. To be specific it takes up 78% of air whilst Oxygen takes up 21%. The remaining percentage consists of various gases including carbon dioxide.
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 are the four main elements that make up an organism?
The four main elements that make up an organism are carbon, hydrogen, oxygen, and nitrogen. These elements are essential for building biological molecules such as proteins, carbohydrates, lipids, and nucleic acids that are necessary for life processes.
What are methods of nitrogen fixation that complete the nitrogen cycle?
nitrogen fixation takes place with the help of lightning , bacteria called rhizobium lives in the nodules of legumenous plants convert nitrogen into nitrogeous compounds , algae etc. also helps in nitrogen fixation
