Answer:
Amswer is B. Normal microbiota spreading to locations where they are not normally found to prevent colonization from pathogens.
Refer below.
Step-by-step explanation:
One of your first ideas is to look at probiotics to enhance the host's normal microbiota The use of probiotics to stimulate the normal intestinal microbiota and promote general health has gained increasing popularity in recent years. There are several ways in which our normal microbiota protects us from infection. The mechanisms below is not a protective mechanism of our normal microbiota. The statement below about the protective mechanisms employed by normal microbiota is false.
Normal microbiota spreading to locations where they are not normally found to prevent colonization from pathogens.