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In this activity, students use an interactive tool to simulate how scientists collected and used sample data to estimate elephant population sizes.

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

In this Click & Learn, students explore mathematical models that describe how populations change over time and apply these models to the invasive lionfish population in the Bahamas. They also use data from other species to learn how density-dependent factors limit population size.

This interactive simulation allows students to explore two classic mathematical models that describe how populations change over time: the exponential and logistic growth models.

This interactive module explores methods used to survey large animal populations, and what they have revealed about the current state of the African elephant population.

This interactive timeline explores the history of Gorongosa National Park in Mozambique.

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