Classroom Resources

This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

This animation shows how termite mounds can increase the productivity of African savanna ecosystems.

This animation illustrates the main stages of the water cycle in Gorongosa National Park, an ecosystem that experiences both wet and dry seasons.

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

This animation zooms into a coral reef to explore the tiny animals that build reefs, the photosynthetic algae inside their cells, and the damaging process of coral bleaching.

This animation shows how a single species can give rise to many different species with distinct traits, using anole lizards as an example.

This animation shows how the malaria parasite develops inside a human and eventually causes disease.

This animation shows how the malaria parasite reproduces and matures inside a mosquito.

This animation provides an overview of some basic concepts from plate tectonics, a fundamental theory in earth science.

This animation provides an overview of the greenhouse effect, a process that warms the atmosphere and surface of Earth.

This animation explores how carbon enters the atmosphere and can be removed through a series of chemical reactions.

This animation shows how human infants can digest milk using the enzyme lactase.