The algae is eaten by a clam that's eaten by a salmon that's eaten by a bear. This book explores the species found in river food chains and webs, and discusses why these food chains and webs need to be protected.

Takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of freshwater ponds. Travel upstream to find civilization's source - then down again to see the key to our very survival.

"From the thick green stems of cacti to the fluffy jackrabbits, the desert is teeming with life. Narrative text and you-are-there photos put the reader in the middle of this misunderstood biome and critical habitat"--

Making a terrible discovery at the stream about a mysterious threat that is endangering its magical creatures, Zoey and Sassafras race against time to discover the source of the problem and save the Merhorse species.

"Who lives at the seashore? Shine a light behind the page and see ... Explore a tidal pool up close and you will find a small world filled with great surprises! From jewel-like sea anemones to spiky sea urchins, the hidden wonders of this amazing habitat will be revealed"--Publisher.

Brief text explores how soil is formed, its layers, and its importance as a natural resource that living things need to survive.

Takes an in-depth look at forest habitats and the animals, organisms, and plants that dwell there, as observed during an imaginary journey through a temperate forest.

The future of the Rain Forest of the Macaw depends on a scientist and a young Indian boy as they search for a nameless butterfly during one day in the rain forest.