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The key role of microbes in nitrogen fixation. How overuse of nitrogen-containing fertilizers can cause algal blooms.
The nitrogen cycle is a crucial process in ecosystems, converting nitrogen into forms that can be used by living organisms.
Review your understanding of the nitrogen cycle in this free article aligned to AP standards.
- Due to the seasons and type of plants (ex. perennials, annuals, biennials, etc.), each plant has a "life-span", if you will. That being said, each...
- The plant absorbs the nitrates from the soil. Bacteria then use denitrification (process of reducing nitrates back to molecular nitrogen/N2) in ord...
- Tissues are made of cells. Cells are made of macromolecules (carbohydrates, DNA, RNA, proteins, and fats). Macromolecules are made of molecules lik...
- You have google
Oct 12, 2016 · Start practicing—and saving your progress—now! https://www.khanacademy.org/science/h... The nitrogen cycle is a crucial process that converts atmospheric nitrogen into a form...
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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Jan 27, 2017 · Introduction to the nitrogen cycleWatch the next lesson: Missed the previous lesson? Watch here: Ecology on Khan Academy: Why are polar bears found only in t...
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Aug 5, 2023 · The nitrogen cycle is a biogeochemical cycle that converts nitrogen into various forms throughout the ecosystem. Nitrogen is an essential element for life that organisms use in the synthesis of amino acids, proteins, and nucleic acids.
