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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 allows students and educators to build models that explain how the Earth system works. The Click & Learn can be used to show how Earth is affected by human activities and natural phenomena.

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.

A number of questions are embedded within the short film The Making of the Fittest: The Birth and Death of Genes, which illustrates how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

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 three examples of recent human adaptations: lactose tolerance, sickle cell disease, and bitter taste perception.

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

This playlist can be used to teach several core concepts in evolution and molecular biology by connecting students to actual research on the rock pocket mouse. It can be used in a general high school biology course.

This playlist can be used to teach concepts in geology and evolution using mass extinction events. It can be used in general high school biology, environmental science, and earth science courses.

This playlist can be used to teach several core concepts of natural selection and speciation by connecting students to actual research on Caribbean anoles. It can be used in AP/IB Biology and undergraduate college courses.

This playlist can be used to teach several core topics in evolution by exploring examples of lizard species evolution and the effects of mass extinctions on tetrapod evolution. It can be used in undergraduate biology courses.