In the nitrogen cycle, the bacteria that replenish the atmosphere with nitrogen are ________.
A) Rhizobium bacteria
B) nitrogen fixing bacteria
C) ones that use nitrogen-containing compounds as an electron acceptor.
D) methanogenic protozoans
E) nitrogen-fixing bacteria

Question

Quizplus · Accepted Answer

Denitrifying bacteria use nitrogen-containing compounds as an electron acceptor, converting them back into nitrogen gas, thus replenishing the atmosphere with nitrogen.

In the Nitrogen Cycle, the Bacteria That Replenish the Atmosphere