ecology

Text and color photos describe the plants, animals, and climate of the grassland ecosystem, as well as several specific grasslands; also includes a glossary and a list of further resources.

Describes the characteristics of rain forests, their importance to the world's environment, and what can be done to preserve them from further destruction.

Introduces the basic concepts of the science of underwater life to young readers through clearly written text, colorful photographs and investigative activities.

Describes the many ways in which humans use nature and how animals and plants exist in the wild.

Text and photographs examine various aspects of these natural wonders including their formations, wildlife, and histories.

Discusses how life is supported by the earth and how everything living is inter-related and co-dependent on the life cycle.

Describes forests, their locations, and their inhabitants.

Describes grasslands around the world and their animal and human inhabitants.

Describes mountains, their locations, and the inhabitants of this ecological biome.

Describes deserts, their locations, and the inhabitants of this ecological biome.