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Effects of multiple invasive species in experimental aquatic communities

In this exercise, students first work in small groups to collect background information on what mosquitofish and bullfrogs consume and then modify a food web based on that knowledge. Students then develop hypotheses of how these two invasive species may affect native amphibian species, snails, and zooplankton. Following, students work individually to analyze experimental mesocosm data to determine the effects of the two invasive species on native aquatic taxa (amphibians, snails, zooplankton, and phytoplankton). Afterwards, students discuss their findings and modify their food web based on the results.
Cumulative Rating: This resource has a 5 star rating (based on 1 response)
Format
Primary or BEN resource type
Secondary resource type
General Biology Core Concepts
Discipline Specific Core Concepts
Life science discipline (subject)
Keywords Invasion ecology, wetland communities, amphibian decline, trophic cascades,Computer-based projects, calculation, problem-based learning, cooperative learning, critical thinking
Audience
Intended End User Role
Language
Educational Language
Pedagogical Use Description Hypotheses formation: Develop testable hypotheses and create a conceptual diagram
Data management and analysis: Summarize data in excel or a relational database to create tables and graphs
Data visualization: Create figures to visually represent the data
Data interpretation: Interpret results and draw a hypothesized food web based on the data
Collaboration: Effectively collaborate with classmates to develop hypotheses and interpret findings
Primary Author Controlled Name
Primary Author Affiliation Department of Ecology and Evolutionary Biology, University of Colorado
Primary Author email Miranda.Redmond@colorado.edu
Secondary Author Name(s) Daniel L. Preston
Secondary Author Affiliation(s) Department of Ecology and Evolutionary Biology, University of Colorado
Rights Authors hold the copyright
Date Of Record Submission 2014-10-08

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