Cyanobacteria

Question

Cyanobacteria
A) Only occur as single cells in anoxic surface waters
B) Only occur as thread like colonies in the tropics
C) Occur in a wide array of morphologies
D) Desperately need nitrogen from the dissolved state in surface waters

Accepted Answer

Cyanobacteria are known for their diverse morphologies, including single cells, filaments, and colonies, and can be found in a variety of environments, not just anoxic or tropical waters. They also have the ability to fix atmospheric nitrogen, reducing their dependence on dissolved nitrogen sources.