A pathogen is best described as A pathogen is best described as an organism that remains in the body for a short time. a source
of microbial contamination. a microorganism that remains with the person throughout life. a microorganism that may cause a disease under certain circumstances. any microorganism that causes disease.
Answer: I would say it would either be " A microorganism that may cause disease" or " Any microorganism that causes disease."
Explanation: Any organism that is pathogenic will likely cause disease. For example, a pathogenic strain of E. coli bacteria, Naegleria fowleri ( a pathogenic protist), ect.
