The different types of bacteria include:
- Cocci: These bacteria are oval in shape. These may be diplococci, streptococci, and staphylococci.
- Spiral Bacteria: These are spiral-shaped bacteria. Spirochetes are thin and flexible spiral-shaped bacteria.
- Rod-shaped: Bacilli are rod-shaped bacteria. These can be single or arranged together in pairs or groups. For eg., diplobacilli and streptobacilli.