Engaging text highlights the life cycle of sea urchins, from birth through adulthood. This book's easy-to-read text and full-color photographs bring this animal's world to life, introducing readers to the sea urchin's diet, habitat, and enemies and threats. Sea urchin size, body description, and family are also discussed. A diagram helps readers identify body parts, from its mouth to its test. Fast Facts are great for reports, while Fascinating Facts...