Discusses the temperate forest ecosystem and the role of the gray wolf in helping to maintain it, describing the wolf's place on the food chain and what would h

Discusses the importance of each animal in the temperate forest ecosystem, and looks at what would happen if the grey wolf were to become extinct.

Talks about each habitat and shows what would happen if the food chain was broken.

Talks about each habitat and shows what would happen if the food chain was broken.

Discusses the ocean ecosystem and the role of the sea otter as a keystone species in helping to maintain it, describing the otter's place on the food chain and