Historically, scientists described the human "normal microbiota" as those organisms that could be cultured from the human body. This represents a significant underestimate because Blank______. Multiple choice question.
O it is unethical to use human tissue for culturing microbes
O many microbes cannot be cultured in the laboratory bacteria can be counted easily, but fungi are more problematic
O many microbes are resident
O only on a small portion of the population