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Although air is full of nitrogen it is not available for organisms to readily use. Nitrogen is changed into which substances before being used by living things?
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∙ 7y ago
AMMONIA, NITRATES AND NITRITES
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What is the large reservoir of nitrogen that is unusable by most organisms?
The air is 80% nitrogen but most organisms are able to extract it from the air.
What organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use?
Nitrogen-fixing bacteria
List three human activites that increase the amount of available nitrogen in the biosphere?
Because nitrogen is produced by nearly all living organisms, there aren't any activities that don't increase nitrogen in the biosphere. Three examples of these human activities are running, swimming, and walking.
What are two substances that contain nitrogen?
Air and soil.
What organisms can change nitrogen gas into ammonia?
These enzymes are called nitrogenases.
although air is full of nitrogen, it is not available for organisms to readily use. Nitrogen is changed into which substances before being used by living things?
AMMONIA, NITRATES AND NITRITES
Although air is full of nitrogen it is not available for organisms to readily use nitrogen is changed into which substance before being used by living things?
Ammonia, Nitrates, Nitrites.
Describe why nitrogen must cycle through an ecosystem?
Nitrogen must be cycled through an ecosystem so that the nitrogen is available for organisms to make proteins.
What are some substances in nitrogen?
Nitrogen is a gaseous element, that is, what is in nitrogen is nitrogen.
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 would happen to a crop if the nitrogen-fixing bacteria in the soil were destroyed?
it decreases the nutrients available for living organisms.
What are the substances that can be separated?
Nitrogen
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
Why is nitrogen a limiting nutrient?
This is because the particular form of nitrogen found in air “nitrogen gas“ cannot be assimilated by most organisms. For example, “Nitrogen nutrients are water-soluble and as a result they are easily drained away”, so that they are no longer available for plants.
Why do all organisms require nitrogen?
All living organisms require nitrogen to grow. All organisms require nitrogen to make amino, acids, which in turn are used to build proteins.
What organisms can transform unusable nitrogen?
Nitrogen-fixing bacteria
What bacteria is in nitrogen compounds?
Bacteria Certain bacteria can use nitrogen from the air to make nitrogen-containing substances called nitrites. Other bacteria can turn nitrites into nitrates-another group of nitrogen-containing substances.
