Suchergebnisse

Cover -- Title -- Copyright -- Contents -- What Is the Environment? -- Dirty Air -- Water Pollution -- A Crowded World -- Habitat Loss -- Going, Going, Gone! -- Fossil Fuels -- Climate Change -- Reducing Our Impact -- How You Can Help -- Glossary -- Index -- Web Sites -- Back Cover

Cover -- Title -- Copyright -- Contents -- What Are Ecosystems? -- Parts of an Ecosystem -- Biodiversity and Balance -- Food Chains and Food Webs -- A Look at a Desert Ecosystem -- A Look at a Grassland Ecosystem -- A Walk in a Tropical Rain Forest -- Other Forest Ecosystems -- The Treeless Tundra -- Saving Earth's Ecosystems -- Glossary -- Index -- Web Sites -- Back Cover.

Food chains and webs are important representations of the predator-prey relationships that all living things are a part of. Readers will learn about the food chains and food webs in a variety of habitats in this volume, how everything is connected, and how every living organism plays a role. Kids will be drawn in by the colorful nature photography, while simple graphic organizers help them to understand the many roles that living organisms play.