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Computer Science 13 Online
OpenStudy (anonymous):

Connexus science unit 4 Humans developed antibiotics to fight bacterial infections. However, some antibiotics are no longer effective in killing the bacteria they once killed. How does the theory of evolution explain this point? a. the antibiotic mutated the bacteria, which allowed resistance to develop b. after being exposed to the antibiotic, individual bacteria acquired the ability to resist the antibiotic

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