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Evo in the news: Antibiotic resistant bacteria at the meat counter

Grade Level(s):

  • 9-12
  • 13-16
  • General

Source:

  • UC Museum of Paleontology

Resource type:

  • Evo in the News article

Time: 20 minutes

Overview

This news brief from May 2013 describes research showing that a large percentage of the meat in supermarkets is contaminated with antibiotic resistant bacteria. An evolutionary perspective explains how antibiotic resistance arises in the first place and why the prevalence of resistant bugs in livestock has health professionals and scientists worried.

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  • [History of life: Grades 9-12] Evolutionary change can sometimes happen rapidly.
  • [History of life: Grades 13-16] Evolutionary change can sometimes happen rapidly.
  • [Mechanisms of evolution: Grades 9-12] Evolution results from selection acting upon genetic variation within a population. (LS4.B)
  • [Mechanisms of evolution: Grades 9-12] There is variation within a population. (LS3.B)
  • [Mechanisms of evolution: Grades 9-12] Natural selection acts on the variation that exists in a population. (LS4.B, LS4.C)
  • [Mechanisms of evolution: Grades 9-12] Inherited characteristics affect the likelihood of an organism's survival and reproduction. (LS4.B, LS4.C)
  • [Mechanisms of evolution: Grades 9-12] Natural selection is dependent on environmental conditions.
  • [Mechanisms of evolution: Grades 9-12] Over time, the proportion of individuals with advantageous characteristics may increase due to their likelihood of surviving and reproducing. (LS4.B, LS4.C)
  • [Mechanisms of evolution: Grades 13-16] Evolution results from natural selection acting upon genetic variation within a population.
  • [Mechanisms of evolution: Grades 13-16] Inherited characteristics affect the likelihood of an organism's survival and reproduction.
  • [Mechanisms of evolution: Grades 13-16] Over time, the proportion of individuals with advantageous traits may increase (and the proportion with disadvantageous traits may decrease) due to their chances of surviving and reproducing.
  • [Studying evolution: Grades 9-12] As with other scientific disciplines, evolutionary biology has applications that factor into everyday life.
  • [Studying evolution: Grades 13-16] As with other scientific disciplines, evolutionary biology has applications that factor into everyday life, for example in agriculture, biodiversity and conservation biology, and medicine and health.
  • Disciplinary Core Idea LS4.B: Natural Selection
  • Disciplinary Core Idea LS4.C: Adaptation

This article includes a set of discussion and extension questions for use in class. It also includes hints about related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.