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This video case study explores whether elephants can detect, interpret, and respond to signals delivered by underground vibrations.

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.

This interactive module consists of a virtual Winogradsky column, which can be used to explore the diversity of microbes, microbial metabolic strategies, and geochemical gradients found in sediments.

This interactive module explores niche partitioning, a mechanism that enables similar species of animals to coexist.

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

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

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 interactive module explores the different gaits employed by animals and how the nervous system is able to switch between gaits.