Multiple Choice
In 1980, only 1 to 5% of all Staphylococcus aureus isolates were MRSA strains. Now 60 to 70% of S. aureus isolates are MRSA strains. What process is the cause of this situation?
A) stabilizing selection of humans
B) directional selection of humans
C) directional selection of bacteria
D) diversifying selection of bacteria
Correct Answer:

Verified
Correct Answer:
Verified
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