biotic communities

Examines the relationships between living things, focusing on the interdependency of animals, with specific examples.

A color-illustrated overview of the various types of life-forms that can survive without sunlight, including creatures living in the deep sea, in caves, and in rocks below the Earth's surface.

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

Studies prairies and savannas as examples of grassland ecosystems.

Introduces characteristics of animal ecosystems.

Describes the climate, plant and animal life, origins, and human impacts of four principal types of biomes, including terrestrial, freshwater, marine, and human-dominated, and discusses what scientific exploration has revealed about each of them. Includes maps and photographs.

Provides descriptions of each of Earth's seven different biomes--areas with special kinds of climates, including rain forest, desert, grassland, temperate forest, taiga, tundra, and aquatic, and discusses the effects of humans on biomes.

Fromthe hottest desert to the coldest plain, plants sprout fromthe earth. The video will show students the many habitats that support plant life.

Encourages basic counting skills in young children with photographs of native wetland animals and landscapes, and focuses on numbers one through ten.

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