How did fish get scales? Why do some animals have wings? What sea creature still has fingers hidden away in their fins? Journey through the animal kingdom, learning all about the different parts of animals that have evolved over the centuries, the ways that they have adapted to survive and the amazing reasons behind these adaptations. With different spreads on claws, feathers, eyes, hair, defenses and much more, readers will be able to compare the changes seen in different animals and see how incredible nature is at survival.