See what happens when animals are added or taken away from the picture and how they all stay connected!

Use the clues in this ID key to discover and name new animals in the ecosystem!

Match the pictures to see how animals and plants pass along energy as they eat and get eaten.

Discover how beavers change their homes and how those changes help animals—and even people—through this fun game!

Play a fun card-matching game to learn what different animals eat in homes created by busy beavers!