Bacteria are a group of very small single-celled microorganisms, some of which are parasites. There are many ways to classify bacteria in which, based on oxygen demand, bacteria will be divided into 2 types: anaerobic bacteria (anaerobic bacteria) and aerobic bacteria.

Research on the formation and reproduction of bacteria is very helpful for applications such as antibiotic production, vaccine preparation for infectious diseases, etc. Bacteria (English name is bacterium, plural is bacteria) are also known as germs.

Bacteria are microscopic, single-celled organisms that thrive in a wide variety of environments. These organisms play a vital role in the environment and human health.