What does bacteria means?

Answer 1

Bacteria are microscopic organisms. They can either be dangerous or good. Bacteria can cause infections in the body or can help in the process of decomposition.

Bacteria in your gut help you by synthesizing vitamins and amino acids that you can't live without. Meanwhile, bacteria that normally live on your skin help protect you from attack by harmful microorganisms. You could say that a human being is a walking ecosystem, or biome. In fact, all living things are exquisitely interconnected.

Answer 2

Bacteria are single-celled microorganisms that can be found everywhere in the environment. They can be beneficial, neutral, or harmful to humans, depending on the specific species. Some bacteria play essential roles in processes like digestion, while others can cause illnesses such as infections.