Filled with high interest exercises, this Grade 4 Unit 2workbook focuses on animal structures, behaviors and instincts, man protects animals. Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, such as animals. Perfect for students who flourish in a self-paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews, and tests. Paperback.