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What is the transfer of nitrogen from air to soil to organism?
Nitrogen gas in the air is converted into usable forms by soil bacteria through a process called nitrogen fixation. Plants then take up these forms of nitrogen from the soil. When organisms consume plants, they obtain nitrogen from the plants, and the nitrogen cycles through the food chain as organisms are consumed by other organisms.
Why must living organisms rely on nitrogen fixation for their source of nitrogen?
Biology relies on chemistry. The nitrogen must be able to attach to the receptor molecule to be used. Nitrogen fixation renders nitrogen into a less s table form so that it can break bonds and attach to other molecules.
The rate at which all organisms obtain transform and transport materials depends on an immediate supply of what?
The rate at which all organisms obtain, transform, and transport materials depends on an immediate supply of nutrients such as water, oxygen, macronutrients (carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur), and micronutrients (iron, manganese, zinc, copper). These nutrients are essential for various metabolic processes in organisms.
Which organisms are most critical in the nitrogen cycle?
Bacteria are most critical in the nitrogen cycle, specifically nitrifying bacteria that convert ammonia to nitrites and then nitrates, and denitrifying bacteria that convert nitrates back to nitrogen gas. These organisms play a crucial role in recycling nitrogen in the environment.
Can Nitrogen-fixing bacteria convert atmospheric nitrogen into forms of nitrogen that living things can use?
Yes, nitrogen-fixing bacteria can convert atmospheric nitrogen (N2) into forms of nitrogen (such as ammonia or nitrates) that are accessible to living organisms. By carrying out nitrogen fixation, these bacteria play a crucial role in making nitrogen available for plants and other organisms to use for essential biological processes.
What is organisms that can be transform unusable nitrogen in the atmosphere into chemical compounds containing nitrogen that can be used by other organisms?
Nitrogen-fixing bacteria
What is the large reservoir of nitrogen that is unusable by most organisms?
The large reservoir of nitrogen that is unusable by most organisms is atmospheric nitrogen (N2). This form of nitrogen is inert and cannot be directly utilized by plants and animals. It needs to be converted into a usable form through the process of nitrogen fixation before it can be incorporated into biological molecules.
What form for nitrogen is unusable by most organisms?
Nitrogen gas (N2) is unusable by most organisms because they lack the ability to convert it into a usable form like ammonia (NH3) or nitrate (NO3-). This process, known as nitrogen fixation, is carried out by certain bacteria and archaea.
Which organisms transform nitrogen to a form that is useful to plants?
bactieria
Bacteria are the only organisms that can be what?
Transform atmospheric nitrogen into ammonia.
What is atmospheric nitrogen fixationand how does it affect organisms?
The atmosphere is made up of 70% nitrogen. Nitrogen is also a key ingredient for proteins and nucleic acids such as DNA, and without these, no life could exist. However, the nitrogen in the atmosphere is unusable for most organisms. A few types of microorganisms are capable of fixing nitrogen into a bioavailable form, and that is the process of nitrogen fixation. The fixed nitrogen can then be used by plants to create amino acids, and the amino acids are then consumed by animals.
How does nitrogen fixation make nitrogen available to organisms?
Nitrogen gas composes 70% of the atmosphere but because it is so stable it remains a gas and unusable to plant. Bacteria have evolved that can break the N2 bond and provide nitrogen as a soluble product to the roots of plants. Once taken up by the plant the nitrogen moves through the food chain to animals etc.
How does atmospheric nitrogen fixation affect organisms?
Atmospheric nitrogen fixation is the process where nitrogen is converted into ammonia. Without nitrogen, organisms couldn't grow, and organisms need nitrogen more than anything to grow.
What are blue green algae that lives at the root of azolla plant?
Blue green algae or cyanobateria are nitrogen fixing prokaryotic bacteria which are one of the few organisms which can turn atmospheric ,comparitively inert and unusable nitrogen(N2)into usable compounds like nitrites(NO2) and nitrates(NO3)which are used by plants for synthesis of nitrogen compounds like proteins necessary for life
What organisms transform light energy from the sun into food for other organisms in an ecosystem?
si
How is nitrogen fixation helpful to crops?
Because elemental nitrogen is unusable by plants. It must be converted in the soil to a usable form and adsorbed by soil particles for plants to be able to utilize it.
What are two ways nitrogen becomes unusable?
Nitrogen can become unavailable to plants if it is locked up in organic matter and unavailable for uptake. It can also be lost to the atmosphere through denitrification, where certain bacteria convert nitrogen compounds back into nitrogen gas.
