Some of the largest dinosaurs to ever live were animals that ate only plants! Members of the Sauropoda family have long necks and huge bodies that scientists believe they used to eat the leaves from trees. But there isn't just one member of this amazing family. Learn how scientists classify, study, and learn about these giant dinosaurs. Discover how these dinosaurs used their massive legs, tails, and huge, long necks to keep themselves from falling over. With fact boxes calling out important details as well as illustrations of each dinosaur, budding paleontologists will learn how to classify these dinosaurs!.