Extreme Biology

People would never want to live deep in the ocean, high atop mountains, or in the hottest, driest deserts on Earth. However, some animals thrive in these habitats. Called extremophiles, animals that live at the North and South Poles and other commonly dangerous environments have evolved to survive there. In fact, some bacteria don’t even need oxygen to live! Readers learn about these animals and many other extreme situations in nature. From food chains to meat-eating plants, the main text c...