Environment & Ecology · Biogeochemical Cycles & Nitrogen Fixation
Which biological process facilitates the natural conversion of atmospheric nitrogen into a form usable by plants through a symbiotic relationship with legumes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Nitrogen fixation by Rhizobium bacteria within root nodules✓
- 2Denitrification of nitrates back into nitrogen gas by soil bacteria
- 3Ammonification of organic nitrogen into ammonia by decomposers
- 4Nitrification of ammonia into nitrites and nitrates by soil microbes
Correct answer
Nitrogen fixation by Rhizobium bacteria within root nodules
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