Prove that bacteria are essential on our planet.

The bacteria on our planet are extremely important. They play an important role. Let’s look at some specific examples. Cyanobacteria are capable of photosynthesis. They release a significant amount of oxygen into the atmosphere. Some types of bacteria enter into symbiosis with plants. This is how they help the plant absorb nitrogen. Bacteria are in symbiosis with humans. They help us break down fiber in the colon. Finally, many types of bacteria are decomposers. They are rotting bacteria. They provide the circulation of inorganic substances on our planet.