The Bacterial Species Staphylococus Aureus Is Found on the Skin

Multiple Choice

The bacterial species Staphylococus aureus is found on the skin and in the nasal passages of about 20% of the human population. It can survive on polyester for 3 months and can also infect cows and chickens. Thus, its relationship with humans is:

A) obligative.
B) facultative.
C) required for its survival.
D) All of these choices are correct.