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Ecological Core Concepts -- Individuals -- Behavior

View Resource Foraging and Flocking Behavior

In this laboratory exercise, the following issues are examined: 1) why neither predators nor prey go extinct when there is a long period of nonrenewal of the prey population 2) the effects of habitat on foraging speed 3) the advantages foragers can gain from experience in foraging 4) the advantage of exclusive use of an area for foragers 5) the effects of food density on foraging speed 6) the...


Publisher: EcoEd Digital Library

View Resource Energy Balance and Trophic Status in Fish

In this activity, students work with a dataset to investigate energy balance in animals that have different feeding behaviors (diurnal/nocturnal) and diets (e.g., carnivore/detritivore).


Publisher: EcoEd Digital Library

View Resource Observing and Quantifying Predator-avoidance Behavior: Habitat Shifts by Snails in Response to Predator Cues

In this activity, students conduct an experiment to test a hypothesis about how freshwater snails detect and avoid fish predators using chemical cues and habitat complexity. Students generate a hypothesis, run the experiment, collect data, analyze data, and interpret their results. Instructions are also provided for further thought and discussion on the implications of the students' findings and...


Publisher: EcoEd Digital Library

View Resource Foraging behavior of insect pollinators in the presence of ambush predators

In this TIEE experiment, students investigate how ambush predators such as the common ambush bug (Phymata americana) or the common crab spider (Misumena vatia) influence the foraging behavior of insect pollinators on flowers. This project involves an experimental manipulation of predator presence and subsequent pollinator observation over the course of a single or several lab periods. Students...


Publisher: EcoEd Digital Library

View Resource A Case of a Warbler Eating Berries

This is a photographic case study on the Yellow-rumped Warbler. This bird is unusual among warblers in its ability to eat Bayberry seeds. This ability give is a winter food source that minimizes it's need to migrate affecting the way it interacts with its ecosystem. This case explores this aspect of migratory bird biology while developing observational skills and questioning skills in students.


Publisher: EcoEd Digital Library

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