Question

_______ bacteria fix atmospheric nitrogen. ​

Answer 1

Answer:

Two kinds of nitrogen-fixing microorganisms are recognized: free-living (nonsymbiotic) bacteria, including the cyanobacteria (or blue-green algae) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium; and mutualistic (symbiotic) bacteria such as Rhizobium, associated with leguminous plants, ...

Explanation:

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Answer 2

Answer:

species of bacteria

Explanation:

Several species of bacteria are capable of fixing nitrogen, but the most widely known species are Acerbate and Rhizome.