This reproducible activity book investigates the captivating world of animals. Students will demonstrate an understanding of the similarities and differences among various types of animals and the ways in which animals adapt to different environmental conditions. Investigations of physical and behavioral characteristics as well as the process of growth of different animals are easily implemented. Students will also identify ways that humans effect animals. Real world purposes for learning are built into each unit. Culminating projects, learning inventories, home studies, extensions, discussion questions, and follow-up activities are included.