Cyanobacteria

Question

Cyanobacteria
A) Are abundant only in estuaries
B) Are capable of nitrogen fixation
C) Cannot live in stagnant waters
D) Only occur in chains of cells

Accepted Answer

Cyanobacteria are known for their ability to fix atmospheric nitrogen into a form usable by living organisms, which is a critical process in the nitrogen cycle. They are not limited to estuaries, can live in various water conditions including stagnant waters, and can occur in various forms, not just in chains of cells.