biotic communities

Introduces young children to basic numbers while they learn about different animals found in the Tundra.

Introduces the numbers one to ten through a look at the different animals and features of the temperate forest.

Presents a simple counting book that features different animals and plants of the tropical rain forest.

Introduces readers to the numbers one to ten while providing information about different animals found in the ocean.

Children can count from one to ten as they read about the different animals and plants found in the grasslands.

A discussion of the unique ecosystem that covers temperature, various plant and animal life, biomes, decomposers, ocean life, and people of the arctic, and provides information on the influence of global warming, with illustrations.

In nine volumes, explores each of the earth's major ecological regions, defining important features, animals, and environmental issues.

When a family of wolves is removed from the food chain on a small island, the impact on the island's ecology is felt by the other animals living there.

Describes what ecosystems are, the hazards they face, and how they can be protected and restored.