ecology

An introduction to forest evolution that describes renewable and nonrenewable resources, and discusses the importance, management, and conservation of forest resources.

Young readers will discover intriguing facts about caves.

Cumulative verse illustrates the interdependency of the plants and animals that live in the ancient forest, with information on the featured characters, including a 300-year-old Douglas fir tree, Northern spotted owls, and truffles. Also includes a brief discussion of the importance of ancient forests.

"Both the ocean floor and the moon are dangerous places. The water pressure deep underwater is 1,000 times greater than the pressure at sea level. On the moon, humans can't survive without a spacesuit and provisions. How could you choose between visiting these places? Throughout this book, readers weigh their options of visiting perilous places such as the Mariana Trench and risky events such as running with the bulls. Exciting facts about each option are presented alongside full-color photographs, highlighting the thrill of each. Readers use decision-making skills to choose--only to find another tough choice on the next page!"--From the publisher's web site.

"All living things need one another to survive. Each living thing gives something to Earth and has its own special needs. Working together keeps the circle of life going"--Provided by publisher.

Boy genius and inventor Frank Einstein and his robot pals Klink (intelligent) and Klank (sort-of intelligent) study the science of ecology and conservation as they try to stop classmate and archrival T. Edison and his loggers from destroying the Midville Forest Preserve.

"Take a stroll along the beach. What do you see? Young readers will learn all about the beach and the animals that call it home in this fun pre-reader. Through text features such as the vocabulary tree and the wrap-up activity, kids will be introduced to new words and concepts--helping them expand their understanding of the world"--Provided by the publisher.

Young readers will discover intriguing facts in polar regions.

Looks at extreme environments around the world.