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How is natural selection related to antibiotic resistance?

Answer 1

Natural selection is related to antibiotics.

Antibiotics stall the natural selection process. This means that if you get a sore throat or a cold, that is an infection that your body naturally gets. If it is natural then using antibiotics can actually make the bacteria infection resistant which means that the antibiotics will no longer work for your cold or throat, etc...

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Answer 2

Sebastian Alvarado

Natural selection favors bacteria with genetic variations conferring antibiotic resistance. Exposure to antibiotics eliminates susceptible strains, allowing resistant ones to survive and reproduce, leading to an increase in antibiotic-resistant populations.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.