There are harmful to all organisms, but some bacteria are helpful in many ways.
Kills bacteria and harmful organisms.
because it kills micro-organisms & bacteria
Commensal organisms like bacteria on the skin make it more difficult for harmful bacteria to grow. However, the commensal organisms can be harmful to people with depressed immune systems. They could also cause inflammation if there are too many of them.
They can cause diseases. Another way is that they can invade organisms.
No, bacteria and parasites are different types of organisms. Bacteria are single-celled microorganisms that can be beneficial or harmful, while parasites are organisms that live on or inside another organism (the host) and rely on the host for nutrients and shelter. Parasites can be bacteria, but not all bacteria are parasites.
These bacteria help in digestion and in destroying harmful organisms. Intestinal bacteria also produce some vitamins needed by the body.
Bacteria *facepalm*
Yes. Most bacteria is not harmful to us such as bacteria in a yogurt, but some bacteria is harmful.
Regardless of whether you and your food are healthy, your excrement may still contain harmful bacteria. Any excrement offers a suitable breeding ground for such organisms.
The HARMFUL MICRO-ORGANISMS (germs) easily go onto the foods unless they are stored properly. Micro-organisms are BACTERIA, VIRUSES AND FUNGI.
Only 1% of bacteria is harmful to humans
Bacteria are unicellular organisms found in almost every habitat on Earth. Some bacteria can be harmful, causing diseases in humans, animals, and plants, while others are beneficial, playing roles in nutrient cycling, decomposition, and aiding digestion in animals.