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Exploring Biomass Pyramids

This interactive module allows students to collect and analyze data from a virtual river to construct biomass and energy pyramids.

Exploring Trophic Cascades

This interactive module explores examples of how changes in one species can affect species at other trophic levels and ultimately the entire ecosystem.

Cardiology Virtual Lab

This interactive, modular lab explores the tools that doctors use to examine and diagnose patients with heart conditions.