Explains the concept of a food chain and how plants, animals, and humans are ecologically linked.

Text and illustrations weave together the air, rain forest, beach, tide pool, reef, atoll, and ocean to show how these habitats are all interconnected, in an in-depth look at these environments and the animals that call them home.

Investigates some types of wetlands, including swamps, salt marshes, bogs, and flood plains; the many plants and animals that live in wetlands; and the threats to these ecosystems.

Introduces several of the ocean's species, provides profiles of creatures, from dolphins and sharks to sea otters and penguins, while sharing facts about their characteristics, diets, and habitats.

Presents a look at the many different environments animals adapt to, letting readers search for an oyster-catcher, an elephant shrew, and a fierce snapping turtle in the places where they live.

Reveals some of the extraordinary things going on underground, including how caves form, what minerals are, and what oil is good for.

Through the magic of close-up photography, the author first asks the reader to identify an object found in a pond in a super-close-up picture, with the next page revealing the entire picture.

A lively introduction to the rainforest combines illustrations and diagrams with explanations about the abundant plant and animal life that can be found there.