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- Ecological Core Concepts -- Ecosystems -- Food webs and trophic cascades [X]
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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...
Publisher: EcoEd Digital Library
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Talking Turkey: Using a short story to facilitate learning and appreciation of energy flows through ecosystems
Human beings are storytellers. This exercise uses the universality of storytelling to engage undergraduate students in ecological science. Students read a fictional narrative that connects scientific principles of ecology to their daily life and in doing so helps students become more personally engaged in the scientific material and more interested in analyzing and evaluating the role of...
Publisher: EcoEd Digital Library
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An in-class role-playing activity to foster discussion and deeper understanding of biodiversity and ecological webs
In a general sense, biodiversity is an intuitively simple concept, referring to the variety of Earth’s organisms. Ecologists, however, conceptualize biodiversity in a more nuanced, multidimensional way to reflect the enormous diversity of species, niches, and interspecific interactions that generate spatiotemporal complexity in communities. Students may not fully comprehend o...
Publisher: EcoEd Digital Library
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Kids Into Discovering Science: A Framework for Place-Based, Hands-On Ecology
The Kids Into Discovering Science (KiDS) curriculum, designed for 5th grade students, includes 10 classroom lesson plans and one field trip lesson plan centered on a plant science experiment. Over 10 lessons and a field day, students practice observation, set up and monitor an experiment, analyze and present their data, and learn about plant ecology, soil ecology, habitats, and their local...
Publisher: EcoEd Digital Library PlantEd Digital Library
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Impacts of Introduced Species: Interspecific Competition, Predation, and Other Species Interactions
Due to increasing global connectivity, global biotic interchange has been escalating, leading to species introductions in regions in which they are not indigenous. Most of these species do not establish and/or do not cause significant impacts, but a small proportion do and can have positive or, more often, negative ecological, economic, and cultural impacts. These species often interact with...
Publisher: EcoEd Digital Library
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