Bigger, faster, stronger, better! This information-rich volume teaches readers all the different ways creatures adapt to survive in their environments. Beautiful full-color photographs will attract readers and illuminate key concepts. Quiz questions pop up throughout the text to challenge readers with fun animal-related math problems. Even readers who are wary of math will enjoy the game-like structure of this text, and a helpful answer key lets readers check their answers at the end of the book to assess what they’ve learned.