Ask Question
22 December, 19:02

In the early days of antibiotic use, penicillin and sulfonamide were used to successfully treat a variety of bacterial infections. in later years stronger antibiotics were needed because some bacteria were either resistant to or not affected by these same antibiotics. this situation is best explained?

+2
Answers (2)
  1. 22 December, 19:06
    0
    By the process of natural selection.
  2. 22 December, 19:07
    0
    By natural selection.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “In the early days of antibiotic use, penicillin and sulfonamide were used to successfully treat a variety of bacterial infections. in later ...” in 📗 Biology if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers