Which term best denotes the relatively harmless bacteria which inhabit the surfaces of the skin, upper respiratory tract and intestine?
A. Commensals
B. Invasive organisms
C. Non-invasive organisms
D. Obligate pathogens
E. Saprophytes.
gopaldas89652 Answered question 5 days ago
commensal is an organism that uses food supplied in the internal or the external environment of the host,
gopaldas89652 Answered question 5 days ago