Why do we have animals in our homes? You know about dogs and cats. But why might you choose a pig as a pet? How about a snake? The answer is “traits.” Learn about traits and why they matter. Learn all about animals that live with us! Animals That Are Pets is part of the It’s All Animals series. This high-interest series uses fascinating facts about animals to introduce life-science vocabulary and concepts, including traits, inheritance, and the survival value of animal behaviors. Read-UP! with 3 levels of readability. Each level (set of 5 books) contains a book on a different life science subject so a student can keep reading in one content area if he or she prefers.