Cyanobacteria all live in aquatic environments and use photosynthesis to make their own food. Additionally, all cyanobacteria belong to the larger class of bacteria, which is one of the largest groups of organisms. Most cyanobacteria are unicellular, and they typically live in large colonies.
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Answer: Cyanobacteria also known as blue green algae , they make their food by the process of photosynthesis.
Explanation: features of Cyanobacteria :-
Photosynthesis in Cyanobacteria is because of the presence of two pigments green pigment chlorophyll and blue pigment phycobilins. They found in aquatic and terrestrial habitat. They are adapted to live in extreem conditions.
They do not have membrane bound nucleus and other organells.
