👉 Bacterian is a term used to describe an organism that has the ability to survive and reproduce without the help of a host. It can be defined as a single cell or group of cells that are capable of dividing and reproducing independently, even when it is surrounded by other organisms. Bacteria are one type of eukaryotic organism, which includes fungi, plants, animals, and some bacteria. Bacterians are often found in the human body through their role in the immune system,