This document provides information about classifying and describing different types of animals. It begins by introducing the concepts of vertebrates and invertebrates. It then discusses how animals can be further classified based on their skeleton, how they are born, and what they eat. The document provides examples of different animal groups like mammals, fish, birds, reptiles, amphibians, arthropods, mollusks and worms. It includes activities for students to apply their understanding by identifying, grouping, describing and researching various animals.