Explores the Adirondack forests of New York state, discussing how the forest develops, the plants and animals found there, and ways in which the living and nonliving parts of the forest work together.

Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the American tallgrass prairie.

Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the Columbia River.

Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the largest estuary in the United States, the Chesapeake Bay.

Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of Alaska's North Slope.