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This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

This interactive module explores how different animals — elephants, birds, and bats — have evolved distinct ways of using sound to communicate.

A number of questions are embedded within the short film The Origin of Species: The Beak of the Finch, which explores four decades of research on the evolution of the Galápagos finches.

This interactive module explores the circulatory systems of major vertebrate groups to gain insights into their evolution.

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

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

This tutorial describes the symbiosis between the Hawaiian bobtail squid and bioluminescent bacteria.

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

This tutorial explores how stem cells can be used to treat a wide range of diseases.

This interactive, modular lab explores techniques for identifying and recording the electrical activities of neurons, using the leech as a model organism.

This interactive, modular lab explores how the ELISA method can be used to test blood samples for evidence of certain diseases.