Lesson Summary: Evo in the news: Livestock kick a drug habit

Lesson summary for... Evo in the news: Livestock kick a drug habit Author/Source: UC Museum of Paleontology

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.
Concepts:	This lesson covers the following concepts: Evolution results from selection acting upon genetic variation within a population. Populations evolve. The proportion of individuals with advantageous characteristics may increase due to their increased likelihood of surviving and reproducing. As with other scientific disciplines, evolutionary biology has applications that factor into everyday life.
Grade Level:	9-12
Time:	10 minutes
Teacher Background:	Explore these links for additional information on the topics covered in this lesson: Natural Selection Relevance
Teaching Tips:	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.