Webs of life

Examines the activities, plant and animal life, and climatic changes found in an alpine meadow in the Rocky Mountains.

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

Describes how coral reefs are formed, and some of the many plants and animals that live there.

Describes the ecology of mountain streams and how they feed and shelter plants and animals.

Describes the physical environment of a salt marsh and the plants and animals that live there.

Examines the activities, plant and animal life, and climatic changes found in ponds.

Describes the characteristics and life cycle of the giant saguaro cactus that grows in Arizona's Sonoran Desert.

Describes how tide pools are formed and some of the plants and animals that can be found in them.