Answer:
Through natural selection the disease gain immunity to the antibiotic.
Explanation:
As the antibiotic kills off the members of the population that are not resistant, leaving only the resistant members. These members then reproduce, passing the immunity to their offspring, causing the population to become immune.
Answer:
because they have nothing wrong wit them
Explanation:
Mouth, esophagus, stomach, small intestine, large intestine and anus
Answer:
D
Explanation:
common sense was used for this problem