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Terrestrial Trophic Cascades & Population Structure

Author(s): Megan L Van Etten

Pennsylvania State University

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Summary:
In this activity, students will use data from natural parks to examine trophic cascades.

Licensed under CC Attribution-ShareAlike 4.0 International according to these terms

Version 1.0 - published on 20 Dec 2018 doi:10.25334/Q42Q7V - cite this

Adapted from: Terrestrial Trophic Cascades & Population Structure v 1.0

Description

This resource is a case study learning activity to accompany the HHMI Video Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades.

Objectives:

  • Create and use community interaction diagrams to explain how species interact both directly and indirectly
  • Explain how predators have strong influences on communities

Notes

Shortened version for a non-majors class.

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