Nitrogen-Fixing Bacteria Include

Question

Nitrogen-fixing bacteria include:
A)Cyanobacteria
B)Clostridium
C)Klebsiella
D)all of these choices

Accepted Answer

Nitrogen-fixing bacteria include all of the choices listed: cyanobacteria, Clostridium, and Klebsiella. Cyanobacteria are photosynthetic bacteria that can fix nitrogen from the atmosphere. Clostridium and Klebsiella are examples of non-photosynthetic bacteria that can also fix nitrogen.