McqMate
Q. |
The nitrogen in the ecosystem is circulated by - |
A. | Earthworms |
B. | Bacteria |
C. | Fungi |
D. | protozoa |
Answer» B. Bacteria | |
Explanation: Bacteria play a great role in nitrogen thation. Nitrogen fixing bacteria inhabit legume root nodules. Nitrogenase is the enzyme in nitrogen-fixing bacteria that catalyzes the conversion of atmospheric nitrogen into ammonia. |
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