The bacteria can chemically combine nitrogen with hydrogen to form ammonia (NH3). This combining process is called nitrogen fixation. Which group of organisms chemically combines nitrogen with hydrogen in a process called nitrogen fixation?
birds and reptiles
all mammals
bacteria
only aquatic plants
Bacteria
Explanation:
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I just took the test and the answer is D.bacteria according to the answer key. Hope this helped you out even if I was a week late
bacteria
Explanation:
they are decomposers. they decompose dead material by fixing nitrogen
Bacteria
Explanation:
Nitrification fixation takes place by nitrogen-fixing bacteria like Azotobacter, Klebsiella, Bacillus etc which convert atmospheric nitrogen gas into fixed-nitrogen compounds like nitrates or ammonium ions for the plants to readily absorb.
The nitrogen fixing bacteria can be free-living like cyanobacteria or live with symbiotic relationship with plants and fungi.
The chemical conversion of di-nitrogen to ammonia takes place with the help of enzymes like nitrogenase in combination with leghahemoglobin, a protein through a reduction reaction.
I think the answer is all mammals.