You can find germs (microbes) in the air; on food, plants and animals; in soil and water — and on … These human-friendly bacteria help in the production of Vitamin-K in the intestine. Many dead materials are decomposed by bacteria. One method of determining bacteria counts is to count the number of bacteria colonies that grow on a prepared medium. They also keep a check on the growth of harmful bacteria. Harmful bacteria. To cause disease, the bacteria must invade the cells of a living organism. Salmonella Typhi (harmful) Bacteria play an important role in the environment. Bacterial slime (biofilms) on rocks in streams and rivers may contain 10 9 bacteria per square centimeter. If there were no bacteria, the environment would have been polluted and full of harmful microorganisms. According to the U.S. Environmental Protection Agency, dogs can serve as the hosts for up to 65 diseases that can be transmitted to humans, including hookworms, roundworms and threadworms. They are common in air, soil, water and in the habitats of our daily lives. We know that bacteria are found everywhere in our environment. The planet earth is full of bacteria and they play an important role in the different functions whether they are related to humans, animals or plants. All the bacteria are unicellular. The primary harmful effects of microbes upon our existence and civilization is that they are an important cause of disease in animals and crop plants, and they are agents of spoilage and decomposition of our foods, textiles and dwellings. These bacteria are termed pathogenic. Only a small handful of known bacteria are capable of causing disease. They degrade the dead organic matter and … Coates is just one of many scientists across the globe who are working to harness the ability of various bacteria to remove harmful pollutants from water. Microbes Cause Infectious Disease. Germs: Understand and protect against bacteria, viruses and infection. Germs live everywhere. How is Pet Waste Harmful? Bacteria is the most useful microorganism in the environment and beneficial for human beings. Certain types of bacteria can cause diseases, such as, typhoid fever, syphilis, cholera, tuberculosis and foodborne illnesses. Bacteria are commonly present in soil at numbers of about 10 8-10 9 cells per gram. Without them, the body would be susceptible to harmful infection. Harmful Effects of Microbes. Large families of bacteria found in the human gut include Prevotella, Ruminococcus, Bacteroides, and Firmicutes. E. coli are a large and diverse group of bacteria. The effects of microorganisms on their environment can be beneficial or harmful or inapparent with regard to human measure or observation. 11 Harmful Effects of Kingdom Archaebacteria for Environment. Archaebacteria are a type of single-cell prokaryotes microorganism. Antibiotics are used to kill harmful bacteria and the diseases they cause. There are thousands of different pollutants — industrial chemicals, pesticides, herbicides, fertilizers, metals and more — and no one microbe can break down all. • Some bacteria like E.coli, which are present in the body, resist the growth of harmful bacteria like typhoid. If left on the ground, these parasites, bacteria, and viruses can contaminate the water, soil, and infect both pets and humans. Bacteria are microscopic organisms that live naturally inside the human body. Bruno Vincent/Getty Images News/Getty Images. Archaebacteria was named from “archae” that means “ancient”. This is no easy task. It was taken out from bacteria kingdom due to significant differences both genetically and biochemically from modern bacteria. [4] In the colon, a low oxygen environment, you will find the anaerobic bacteria Peptostreptococcus, Bifidobacterium, Lactobacillus, and Clostridium. Germs — Learn how germs work and what you can do to protect yourself. Escherichia coli (abbreviated as E. coli) are bacteria found in the environment, foods, and intestines of people and animals.