Any area of land that is higher than 1,000 feet (300 meters) above its surrounding flat land can be called mountainous. Mountains cover about one-fifth of the earth's surface. World Book Ecology presents Life in the Mountains; learn more about the ecology, animals, plants and life in the mountains.
World Book Ecology Series
From the makers of the World Book Encyclopedia, World Book's Ecology series features large color photos and great information on various topics relating to ecology. Life on the Mountains is a great way to engage young readers and teach them about the mountains.