Answer:
Nostoc verrucosum
Step-by-step explanation:
Cyanobacteria are a group of photosynthetic bacteria, some of which are nitrogen-fixing. They are known to be aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food.
It should be noted that some of them produce toxins that are very harmful to humans.
Nostoc verrucosum is regarded or known to be a specie of bacteria especially the cyanobacteria. it is known to be able to fix atmospheric nitrogen using specialized cells known as heterocytes.
In this case, they are similar to cyanobacteria because the can fix atmospheric nitrogen.