Antibiotic resistance in bacteria develops mainly because:
Answer and explanation
Correct answer: C. Resistant bacteria survive and reproduce when antibiotics are used
- Step 1: Natural selection favours bacteria that already carry resistance genes.
Answer
Resistant bacteria survive and reproduce when antibiotics are used.
Why not the others: Bacteria choose to become resistant, Antibiotics change bacterial DNA directly and Humans become immune to antibiotics don't fit.
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