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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.

Lizard Evolution Virtual Lab

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

EarthViewer

This interactive module allows students to explore the science of Earth's deep history, from its formation 4.5 billion years ago to modern times.

Stickleback Evolution Virtual Lab

This interactive, modular lab explores how stickleback fish and fossil specimens are used to study evolutionary processes, with an emphasis on data collection and analysis.

Tissue Regeneration in Animals

This tutorial describes how animals differ in their abilities to heal wounds and regenerate lost body parts or damaged tissues.