This book covers everything you need to know about how all kinds of animals adapt in various habitats. Diagrams, fun fact boxes, and photographs bring the subject to life, while a glossary, an index, and discussion questions aid in reading comprehension. Grade: 5 Subject: Life Science Genre: Informational Text Comprehension Skill/Strategy: Make Inferences Diagnostic Reading Assessment (DRA/EDL): 50 Guided Reading Level: U Lexile Level: 880L DK's iOpeners equip K-6 students with the skills and strategies they need to access and comprehend nonfiction so that they are not only learning to read but reading to learn. The combination of high-interest content and eye-popping photography of iOpeners brings science and social studies topics to life, raises student achievement in reading, and boosts standardized test scores.