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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.

Evolution Course

This asynchronous course is designed to deepen educators' content knowledge in evolution, especially regarding content appropriate for teaching at the high school level. 

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.

Lizard Evolution Virtual Lab

This interactive, modular lab explores the evolution of the anole lizards in the Caribbean through data collection and analysis.

Sorting Finch Species

This interactive module allows students to explore concepts related to speciation by identifying which birds belong to one of two finch species.

Molecular Structure of Fat

This tutorial describes the various forms of “fat” — from a tissue, to a cell type, to a class of molecules.

How The Body Uses Fat

This tutorial explores how fat is digested, transported, stored, and used for energy.

Using DNA to Trace Human Migration

This tutorial describes how scientists determined that all living humans originated from populations in Africa. Some of these populations migrated out of Africa less than 100,000 years ago.