Describes how some animals have physically and behaviorally adapted to their environments all over the world, including places with extreme climates such as deserts and the poles.

Variety of habitats -- Changing conditions -- Life in the mountains -- In the forest -- Rolling grasslands -- Flowing waters -- Lakes and ponds -- Tides and waves -- Life in the ocean -- Survival near the poles -- Heat and drought -- Living on the edge -- Urban jungle -- Glossary -- Find out more -- Index.