Nitrogen Cycle - Definition, Steps and Importance - Biology …
2021年1月15日 · 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, …
Nitrogen Cycle Explained - Definition, Stages and Importance
“Nitrogen Cycle is a biogeochemical process which transforms the inert nitrogen present in the atmosphere to a more usable form for living organisms.” Furthermore, nitrogen is a key …
Nitrogen cycle - Wikipedia
The 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 …
The nitrogen cycle - Science Learning Hub
There are three ways nitrogen can be fixed to be useful for living things: Biologically: Nitrogen gas (N 2) diffuses into the soil from the atmosphere, and species of bacteria convert this nitrogen …
Nitrogen cycle | Definition & Steps | Britannica
2024年10月21日 · Through a series of microbial transformations, however, nitrogen is made available to plants, which in turn ultimately sustain all animal life. The steps, which are not …
What Are the Nitrogen Cycle Steps? - HowStuffWorks
2023年10月31日 · The nitrogen cycle steps are kind of like a currency exchange, converting nitrogen into different forms, some of which plants and animals can use, and some of which …
Nitrogen Cycle - Science Notes and Projects
2023年8月5日 · In assimilation, plants take up ammonia and incorporate nitrogen into amino acids, nucleic acids, and other vital organic molecules. Plants predominantly assimilate …
Nitrogen Cycle – Definition, Steps, Importance with Diagram
2020年2月25日 · How are plants involved in the nitrogen cycle? Plants help in the assimilation of nitrogen when they absorb it from the soil in the form of ammonia, nitrite ions, nitrate ions or …
20.4: The Nitrogen Cycle - Biology LibreTexts
Plants assimilate ammonium and nitrates, producing organic nitrogen, which is available to consumers. Decomposers, including aerobic and anaerobic bacteria and fungi, break down …
Nitrogen Cycle, Microorganisms, Atmosphere - Britannica
2024年11月27日 · Like carbon, nitrogen has its own biogeochemical cycle, circulating through the atmosphere, lithosphere, and hydrosphere (Figure 5). Unlike carbon, which is stored primarily …