Understanding Evolution

Your one-stop source for information on evolution

Understanding Evolution

Teaching Resources

Home → Teach Evolution → Lessons and Teaching Tools → Teaching Resources Database → Evo in the news: Livestock kick a drug habit

Evo in the news: Livestock kick a drug habit

Grade Level(s):

  • 9-12
  • 13-16
  • General

Source:

  • UC Museum of Paleontology

Resource type:

  • Evo in the News article

Time: 10 minutes

Overview

This news brief, from September of 2005, describes the FDA ban on the use of the antibiotic Baytril in poultry production. The decision was made in order to reduce the danger presented by the evolution of antibiotic resistant bacteria.

Go to this resource »

  • [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] Mutations are random.
  • [Mechanisms of evolution: Grades 9-12] Traits that confer an advantage may persist in the population and are called adaptations. (LS4.B, LS4.C)
  • [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] Mutation is a random process.
  • [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.
  • [Mechanisms of evolution: Grades 13-16] Traits that confer an advantage may persist in the population and are called adaptations.
  • [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 could be used to motivate discussions of natural selection. It also includes a set of discussion and extension questions, as well as links to related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.