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A new and effective antibiotic becomes widely used for a particular species of bacteria. After some time, an antibiotic-resistant strain of the bacteria becomes prevalent. Which mechanism explains this
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A new and effective antibiotic becomes widely used for a particular species of bacteria. After some time, an antibiotic-resistant strain of the bacteria becomes prevalent. Which mechanism explains this phenomenon?

User Magnus Hoff
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The mechanism which explains the phenomenon of anti-biotic resistant strain of bacteria becoming prevalent is: Although less common previously, the resistant strain becomes more prevalent due to natural selection.
User Fedorqui
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