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It has to be fixed by things in the soil called nodules, so it can be a form that plants can use in order to get protein to perform photosynthesis.
What else can I help you with?
What element must be fixed by bacteria?
Nitrogen is an element that needs to be fixed by bacteria. Bacteria convert atmospheric nitrogen into forms that can be used by plants and other organisms, such as ammonia or nitrates, through a process called nitrogen fixation. This is essential for maintaining the balance of nitrogen in ecosystems.
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.
Can nitrogen gas be used by plants?
No. Plants cannot use elemental nitrogen. The nitrogen must first be fixed, either by lightning or by nitrogen-fixing bacteria. Some plants have such bacteria in their roots.
What are the four nutrient cycles?
carbon, nitrogen, phosphorus cycles.
How nitrogen cycles through the land and the ocean ecosystem?
explain how nitrogen cycles through the land and ocean ecosystems
How do you get nitrogen on earth?
Nitrogen is fixed
Scientists classify the nitrogen carbon and water cycles as biogeochemical cycles?
It is true that scientists classify the nitrogen, carbon, phosphorus, and water cycles as biogeochemical cycles. This is also referred to as cycling of substances.
Are the nitrogen carbon and water cycles bio-geochemical cycles?
Yes, the nitrogen, carbon, and water cycles are all examples of biogeochemical cycles. These cycles involve the movement and transformation of elements between living organisms, the atmosphere, and the environment.
What element must be fixed by bacteria in the soil in order for plants to absorb it?
Nitrogen is the most common one.
Which organism must always be present for the carbon cycle and nitrogen cycle to function?
Bacteria play a crucial role in both the carbon and nitrogen cycles. They help decompose organic matter and fix atmospheric nitrogen into forms that plants can use, ensuring the cycles can proceed effectively. Without bacteria, these processes would be disrupted.
What must happen before humans can use nitrogen?
For humans to be able to use nitrogen it must be converted from N2 (g) to ammonium (NH4^+), nitrate (NO3^-), or organic nitrogen. Nitrogen is the majority of the air we breath but it is relatively inert due to the triple bond between N atoms.
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.
