Question

Which organisms other than green plants and green algae have been discovered to be able to make their own food through photosynthesis?

Answer 1

Cyanobacteria are oxygenic photosynthetic bacteria. They harvest the sun's energy, absorb carbon dioxide, and emit oxygen. Like plants and algae, cyanobacteria contain chlorophyll and convert carbon dioxide to sugar through carbon fixation. ... Cyanobacteria are found in various land biomes and aquatic environments.