This cumulative rhyme portrays the ocean's intricate food web, with each verse introducing another hungry creature, from the tiny plankton up to a grateful family of humans.

Takes readers on a walk through a tropical rain forest, showing examples of how the animals and plants depend on each other and their environment to survive.

Illustrations and text describe some of the many things that can be found on a walk along a beach, including coconuts, shark teeth, jellyfish, crabs and different kinds of shells.

Explores through text and photographs the animals and plants that adapt to life in the mountains.

Explores through text and photographs the animals and plants that live in deserts.

Explores through text and photographs the animals and plants that live in a woodland.

Traces the life cycle of an oak tree and describes the animals that depend on it for shelter and food.

Features animals, insects, and plants in a bog.

"General overview of ocean, island, and polar region ecosystems, including an exploration of disturbances these ecosystems face due to human interference, pollution, and climate change, and current conservation and reclamation efforts. Features include fact boxes, glossary, list of recommended reading and web sites, and index"--Provided by publisher.