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The nitrogen cycle (article) | Ecology | Khan Academy
https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-nitrogen-cycle
WEBJun 9, 2016 · In general, the nitrogen cycle has five steps: Nitrogen fixation (N2 to NH3/ NH4+ or NO3-) Nitrification (NH3 to NO3-) Assimilation (Incorporation of NH3 and NO3- into biological tissues) Ammonification (organic nitrogen compounds to NH3) Denitrification(NO3- to …
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Nitrogen cycle - Wikipedia
https://en.m.wikipedia.org/wiki/Nitrogen_cycle
WEBThe nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.
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Nitrogen Cycle - Definition, Steps and Importance - Biology …
https://biologydictionary.net/nitrogen-cycle/
WEBLast Updated: January 15, 2021. Definition. The nitrogen cycle refers to the cycle of nitrogen atoms through the living and non-living systems of Earth. The nitrogen cycle is vital for life on Earth. Through the cycle, atmospheric nitrogen is converted to a form which plants can incorporate into new proteins.
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Nitrogen Cycle - Science Notes and Projects
https://sciencenotes.org/nitrogen-cycle/
WEBAug 5, 2023 · Living organisms use nitrogen and ultimately return it back to the atmosphere. Nitrogen Cycle Processes. Several processes play a role in the nitrogen cycle, including both biotic (living) and abiotic (non-living) factors. These processes include nitrogen fixation, assimilation, ammonification, nitrification, and denitrification. Nitrogen Fixation
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The Nitrogen Cycle: Processes, Players, and Human Impact
https://www.nature.com/scitable/knowledge/library/the-nitrogen-cycle-processes-players-and-human-15644632/
WEBThis article explores how nitrogen becomes available to organisms and what changes in nitrogen levels as a result of human activity means to local and global ecosystems.
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The nitrogen cycle (article) | Khan Academy
https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:the-living-world-ecosystems-and-biodiversity/x0b0e430a38ebd23f:biogeochemical-cycles/a/ap-es-the-nitrogen-cycle
WEBThe nitrogen cycle is the cyclic movement of nitrogen in different chemical forms between living organisms and the environment. The steps of the nitrogen cycle are described below. Nitrogen fixation: During this step, atmospheric nitrogen gas is fixed, or converted into a form that can be used by plants and animals.
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The nitrogen cycle (video) | Ecology | Khan Academy
https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/v/nitrogen-cycle
WEBThe nitrogen cycle (video) | Ecology | Khan Academy. Google Classroom. About. Transcript. How nitrogen is recycled in our biosphere in the nitrogen cycle, including nitrogen fixation. Questions. Tips & Thanks. Want to join the conversation? Log in. Sort by: Top Voted. Chiara. 7 …
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Nitrogen cycle | Definition & Steps | Britannica
https://www.britannica.com/science/nitrogen-cycle
WEBJean-Baptiste Boussingault. Related Topics: nitrogen fixation. denitrification. ammonification. nitrification. nitrogen assimilation. nitrogen cycle, circulation of nitrogen in various forms through nature. Nitrogen, a component of proteins and nucleic acids, is … examples
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20.4: The Nitrogen Cycle - Biology LibreTexts
https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/20%3A_Biogeochemical_Cycles/20.04%3A__The_Nitrogen_Cycle
WEBMar 21, 2024 · Ecology for All! 20: Biogeochemical Cycles. 20.4: The Nitrogen Cycle. Page ID. Key Points. Bacteria, such as cyanobacteria, convert nitrogen into nitrogen gas via nitrogen fixation. Nitrogen fixation occurs in three … examples
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The nitrogen cycle — Science Learning Hub
https://www.sciencelearn.org.nz/resources/960-the-nitrogen-cycle
WEBFixation. Nitrogen in its gaseous form (N 2) can’t be used by most living things. (Plants for example, do not have the required enzymes to make use of atmospheric nitrogen.) It has to be converted or ‘fixed’ to a more usable form through a process called fixation. There are three ways nitrogen can be fixed to be useful for living things:
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