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What are the only organisms that can convert nitrogen from the air into chemical compounds plants can use?
2007-02-04 14:56:12 · 5 answers · asked by Nerds Rule! 6 in Science & Mathematics ➔ Biology
Nitrogen fixing bacteria.
You will find more info about the nitrogen cycle in the attached link.
2007-02-04 15:00:56 · answer #1 · answered by Vincent G 7 · 0⤊ 0⤋
There are numerous bacteria that can fix nitrogen. Some live in root nodules. Recently, they discovered a bacterium that lives in a protist that lives in the gut of a termite. The bacterium also fixes nitrogen, which eventually will make it into plants through a long pathway.
2016-03-29 05:21:18 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Diazotrophs are bacteria that fix atmospheric nitrogen gas into a more usable form such as ammonia (Postgate, 1998).
A diazotroph is an organism that is able to grow without external sources of fixed nitrogen. Examples of organisms that do this are rhizobia and Frankia (in symbiosis) and Azospirillum. All diazotrophs contain iron-molybdenum nitrogenase systems. Two of the most studied systems are those of Klebsiella pneumoniae and Azotobacter vinlandii. These systems are used because of their genetic tractability and their fast growth (Dixon and Kahn 2004).
2007-02-04 15:13:42 · answer #3 · answered by anish 2 · 0⤊ 0⤋
Nitrogen-fixing bacteria.
2007-02-04 15:02:51 · answer #4 · answered by ecolink 7 · 0⤊ 0⤋
They are called Nitrogen-fixing bacteria and are usually found in the roots of legume and legume-related plants, like beans.
2007-02-04 14:59:35 · answer #5 · answered by Aldo 5 · 0⤊ 0⤋