Soil
Nitrogen-fixing bacteria
Around 70-80% of nitrogen in the atmosphere is fixed by nitrogen fixing bacteria through a process called nitrogen fixation. This converted nitrogen is then made available for use by plants and other organisms in the environment.
is called Nitrogen-fixing bacteria
carnivores -> herbivores -> plants -> nitrogen fixing bacteria
Nitrogen-fixing bacteria can be classified as autotrophs when they use inorganic substances to synthesize their own organic compounds. These bacteria, such as those found in the genus Rhizobium, convert atmospheric nitrogen into ammonia, which can then be used by plants. While they can be autotrophic in their nitrogen-fixing capabilities, some nitrogen-fixing bacteria are also heterotrophic, relying on organic compounds from their environment. Therefore, their classification as autotrophs depends on their specific metabolic processes.
Chemoautotrophs like Nitrogen fixing bacteria
Nitrogen-fixing bacteria help cycle nitrogen through the ecosystems in a variety of ways. With plants, the nitrogen-fixing bacteria help ensure that nitrogen is cycled back into the soil.
The Encyclopedia Britannica has a lot of great information on nitrogen fixing bacteria. According to the Encyclopedia Britannica nitrogen fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen.
The nitrogen-fixing bacteria live in the root nodules of legumes.
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nitrogen fixing bacteria
Certain bacteria and archaea have the ability to transform unusable nitrogen gas (N2) from the atmosphere into a form that plants can use, a process known as nitrogen fixation. Some examples include symbiotic nitrogen-fixing bacteria like Rhizobium that form nodules on plant roots, as well as free-living nitrogen-fixing bacteria like Azotobacter and cyanobacteria.