1. Escherichia coli (E. coli): This is a well-known bacterium that typically lives in the intestines of humans and animals. Most strains are harmless, but some can cause food poisoning or urinary tract infections.
2. Lactobacillus: This group of bacteria is found in fermented foods like yogurt and sauerkraut. They are considered beneficial bacteria, as they help with digestion and can even provide health benefits.
3. Staphylococcus aureus (Staph): This bacterium is commonly found on skin and can cause skin infections, food poisoning, and even pneumonia.
These are just a few examples, and there are thousands of different bacteria species with a wide range of characteristics and roles in the environment.
