An exploration of the pyramid, covering what it is, its parts, natural and man-made pyramids, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
"Introduces young readers to animal classifications by explaining how mammals are grouped. Through photos, text, and sidebars, this title explores the differences and similarities between several classes, families, genera, and species of mammals, and how animal classification works. Readers will discover what traits put mammals in a class of their own"--Provided by publisher.