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The Perilous Plight of the Pika



Author:

Fleur M. Ferro
Department of Biology
Community College of Denver
fleur.ferro@ccd.edu

Abstract:

This interrupted case study addresses several concepts related to climate change and its effect on the American pika. Often called an indicator species for climate change, the pika has a unique set of variables specific to its environment. Factors such as temperature, snowpack, and vegetation can affect the distribution and ultimately the chances of survival. The case was designed for use in a "flipped" classroom in which students prepare in advance outside of class by filling out a worksheet while watching a video. The video, created by the author of the case, provides students with baseline information that they apply in class to come up with key ideas and predictions, followed by analysis of actual data to test the hypotheses they develop. The case study incorporates group discussion, analysis of experimental design, and data evaluation as central activities and can be taught in a single 50 minute class session. The case was designed for use in a large introductory-level class, but is also appropriate for smaller classes.

Objectives:
  • Describe environmental requirements for animals living in alpine tundra ecosystems.
  • Understand how having narrow ranges of physiological requirements can be detrimental if/when the environment changes.
  • Describe how different selective pressures can cause organisms to either adapt or move to a new location.
  • Pose hypotheses to investigate climate change and its effects on the American pika.
  • Analyze and interpret research results.
Keywords: American pika; climate change; genetic bottleneck; abiotic factors; Southern Rocky Mountains; Colorado;
Topical Area: Policy issues, Scientific method, Regulatory issues, Scientific argumentation
Educational Level: High school, Undergraduate lower division, Undergraduate upper division, General public & informal education
Formats: PDF, PowerPoint, Excel
Type/Method: Analysis (Issues), Directed, Flipped
Language: English
Subject Headings: Biology (General)   Botany / Plant Science   Climatology / Meteorology   Ecology   Environmental Science   Science (General)   Wildlife Management   Zoology  
Date Posted: 11/23/2015
Date Modified: 2/25/2016
Copyright: Copyright held by the National Center for Case Study Teaching in Science, University at Buffalo, State University of New York. Please see our usage guidelines, which outline our policy concerning permissible reproduction of this work.

Teaching Notes


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Answer Key


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Supplemental Materials


The PPT below may be used in place of the video. The spreadsheet presents the data from Worksheet #2 for convenience.

  Alternative PPT
  Worksheet #2 Data

Videos

The following video(s) are recommended for use in association with this case study.

  The Perilous Plight of the Pika
This video describes the unique environmental requirements of the American pika, giving a general overview of the habitat requirements, food preferences, and temperature ranges necessary for this indicator species to survive. Running time: 6:06 min. Produced by Fleur M. Ferro in association with The National Center for Case Study Teaching in Science and Michigan State University, 2015.




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