ecology

Text and color photos explain how various types of living things adapt to changes in their surroundings and compete with each other to survive.

Describes the impact of the changing seasons on an old oak tree and the life that surrounds it.

Discusses the bison and its relationship to the Great Plains ecosystem.

An illustrated description of insects, and where they go during the winter months.

Color photos and simple text describe animals and their adaptations to a pond habitat.

Highlights the life cycle of plants as young readers are introduced to the many different ways that plants disperse their seeds.

Describes the role of an oak tree in the ecology of the Pennsylvania forest in which it lives.

Describes the plant and animal life associated with an apple tree, all of which create a miniature, co-dependent ecosystem.

Color photos and simple text describe animals and their adaptations to a rain forest habitat.

Illustrations and text describe five different trees located in countries throughout the world that serve as homes to a wide variety of animals.