ecology

Describes how desert plants adapt to their environment with its extreme temperatures, occasional downpour, almost constant drought, unrelenting sun, and shifting sands.

Explores the world's wetlands showing how they are formed, why they are important, and what can be done to safeguard them for the future.

Describes different types of mountains and how they are formed, the plant and animal life that exists on mountains, the use of mountains for farming, tourism, and industry, and the efforts to protect these unique environments.

Describes the unique environment of and the varied animal and plant life found in the world's tropical rain forests.

Explores the world's fourteen major ecosystems, describing the diversity and interdependence of plant and animal species. Includes foldout panoramas.

Describes the tundra regions of the world and how plants, animals, and people live there.

Describes grasslands of the world, including the plants, animals and people found there. Suggests activities and questions for discussion and presents case studies of specific grasslands.

Describes the natural history, land, and climate of the tundra biome, examines the plant and animal life that thrives there in the different seasons, and discusses threats to the tundra environment.

Examines the climate, land formations, plant life, and animals of the frozen arctic land called tundra, and discusses current preservation efforts.

Describes the construction of a coral reef environment in a museum exhibition.