Symbiosis is defined as a long-term or close relationship between two or more organisms of different species. Therefore, the relationship between E. coli (Escherichia coli) and humans can be described as mutualistic. This means that both the E. coli and its human host benefit from the bacteria residing in the intestinal tract.Know More
The human body provides E. coli with a safe, enclosed, and comfortable living environment in which the bacteria receive the required nutrients for reproduction and growth, and carry out several necessary functions. E. coli, in turn, makes it possible for humans to absorb vital nutrients, including Vitamin K, through the colon. For this reason, it is considered an essential organism in the human body.
While humans and E. coli maintain a symbiotic relationship in which E. coli inhabits the gut, some strains of the bacteria, specifically E. coli O157:H7, can cause serious illness and even death when ingested. E. coli can live independently outside a host if the conditions are right, lurking in fecal matter, in warm environments or on poorly washed produce. E. coli's negative effects on humans have three main manifestations: urinary tract infections, neonatal meningitis and gastroenteritis, none of which are pleasant, and some of which can become deadly.Learn more about Biology
Three types of symbiotic relationships are mutualism, commensalism and parasitism. In symbiosis, at least one member of the pair benefits from the relationship, while the host may also benefit, may be unaffected or may be harmed.Full Answer >
A symbiotic relationship occurs when two organisms, individuals or groups of people work together by helping one another with the intent of getting help in return. In a symbiotic relationship, the two people or groups of people live together to provide the greatest benefits to one another.Full Answer >
There are three types of symbiotic relationships that occur in the desert: mutualism, commensalism and parasitism. Examples are, respectively, yucca plants and yucca moths, dung beetles and the dung of other animals, and fleas and their hosts.Full Answer >
Escherichia coli, often abbreviated E. coli, are rod-shaped bacteria that tend to occur individually and in large clumps. E. coli are classified as facultative anaerobes, which means that they grow best when oxygen is present but are able to switch to non-oxygen-dependent chemical processes in the absence of oxygen. E. coli bacteria are gram-negative, so they stain pink in a gram test.Full Answer >