In Nature's Engineers children learn how a wide variety of animals adpat to and modify their surroundings. What are some cool ways animals in this book change the environments around them? ELF Science books are written to correspond with Next Generation Science Standards. This book is in the orange level of the Early Learning Fun Science Series and is perfect for kindergarten and first grade. This first steps level of science bundle for students features a book with beautiful photographs that discusses the featured topic, glossary, quizzes, vocabualry, and games. On page Spanish language support is available by tapping the globe in the bottom right hand corner. On page parent support is available by tapping the handholding icon in the bottom right hand corner. Each word on the page is tappleble for beginning readers. Users can also tap the play button to here the text read aloud. Downloadable PDF Teacher Resources contains: pre and post tests, 3 teacher cards (task, read, ELL), family time flyer in English and Spanish, and rewards for hardworking students.