BacteriaBacteria are a large group of unicellular microorganisms found growing in soil and other organic matter and the live bodies of plants and animals. Despite their apparent simplicity, bacteria can form complex associations with other organisms, categorized into parasitism, mutualism and commensalism. Bacterial diseases are also important in agriculture, with bacteria causing leaf spot, fire blight and wilts in plants, as well as Johne's disease, mastitis, salmonella and anthrax in farm animals.
Bacteria have long been associated with disease, but many types of bacteria can actually be beneficial to human health. For example, the nursing paper writers from https://place-4-papers.com/nursing-essay-writing-service/
, while reviewing the medical terminology literature, determined that certain strains of bacteria are used as probiotics, which promote healthy digestion and immune function. In addition, some types of bacteria produce antibiotics that can be used to treat bacterial infections in humans and animals.