In the phylum of bacteria, who are the only photosynthetic prokaryotes able to produce oxygen? They live in the water and manufacture their own food.

Cyanobacteria, also known as blue-green algae, are microscopic organisms found naturally in all types of water. They are typically too small to be seen but can form visible colonies.

Asked by Rachel Bortles · Last updated 5 years ago · 65.4K views · SOURCE