Antibiotic Resistance
For many years, antibiotics have been effectively used to treat bacterial disease.
A growing concern for treating bacterial diseases is the evolution of antibiotic resistance by bacterial populations. Resistance means that a particular antibiotic is no longer effective in treating a disease. This resistance can be viewed as evolution of a new trait at the population level, which is resistance to an antibiotic.
Recommended: Click on the following links to review materials to increase your understanding of natural selection and antibiotic resistance.
Understanding Evolution
Antibiotic Resistance
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Centers for Disease Control and Prevention. (n.d.). About antibiotic use and resistance. Retrieved from
University of California Museum of Paleontology. (n.d.). Understanding evolution. Retrieved from