This Mystery is a case study in biodiversity using the frogs of North America. In the activity, Who’s Calling?, students learn to identify frogs by their unique calls and investigate which of two locations has a greater variety of frogs.

Today’s episode is all about biodiversity!

Learn about ongoing space biology research.

In this lesson, students will take on the role of an animal or plant involved in at least one symbiotic relationship.

In this activity, students are introduced to the three main types of symbiotic relationships: mutualism, parasitism and commensalism.

John Muir, well-known author and naturalist, once wrote, “Tug on anything at all and you’ll find it connected to everything else in the universe.” But what did he mean? 

In this episode of Crash Course Kids, Sabrina talks about what resources are and how we use them.

In this episode of Crash Course Kids, Sabrina talks about how humans get the resources we need to survive, even though those resources may come from a long way away.

In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosystem.

In this episode, Sabrina chats about how humans have been changing our environments for a long time!

What do beavers, termites, and prairie dogs have in common?

Biodiversity is the rich variety of life on Earth.