Discusses the process of evolution, and looks at some of the physical and behavioral adaptations that have occurred in animals to enable them to survive.
Photographs and simple text introduce readers to animals that live in the ocean and their unique characteristics, including octopuses that change can color and whales that breathe through blowholes.
Looks at conditions in some of the world's most extreme climates and locations, and shows how animals have adapted to survive in the depths of the ocean, arid deserts, the Arctic, and other places.