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Antibiotics have been used to treat bacterial infections since the 1940s. In recent years,many antibiotics...

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Biology

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Antibiotics have been used to treat bacterial infections since the 1940s. In recent years,many antibiotics have become less effective as resistance to these treatments rises.Which statement best describes how bacterial resistance to antibiotics demonstrates natural selection?The bacteria are able to mutate when they are exposed to antibiotics, allowing the nextgeneration of bacteria cells to have immunity from the antibiotics.The antibiotics are becoming weaker because it is harder to find sources for the chemicals that are used in their production.The human immune system has become desensitized to the chemicals in antibiotics, which causes the antibiotics to be less effective.The bacteria cells that are able to survive the antibiotics reproduce while weaker bacteria die, causing the bacteria population to have more antibiotic resistant individuals over time.

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