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Penicillin is an antibiotic that was discovered in 1928. Today, many species of bacteria have acquired resistance to penicillin. This adaptation occurred as the result of

A) mutualism.
B) symbiosis.
C) genetic mutation.
D) divergent evolution.

User Magiraud
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2 Answers

5 votes
i think it is D)maybe
User Kfoster
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4 votes
it's genetic mutation, Darwin found out that changes in the DNA made bacteria resistant to certain drugs
User Fraser
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