Polar Regions are snow-covered regions having an extremely cold climate throughout the year. The sun does not set in this region for six months during summer, while it does not rise during the six months of winter. The temperature can drop to –37°C in this region. Animals like fishes, musk oxen, reindeers, foxes, seals, whales, birds, polar bear and penguin with special adaptations live in the Polar Region.
Tropical rainforests are located near the equator and have a hot climate. Temperature in this region can cross 40°C during summer, whereas in winter, the temperature is around 15°C. This region receives plenty of rainfall. This is an important factor because of which this region can support a large number of plants and animals. Animals such as monkeys, apes, gorillas, lions, tigers, elephants, leopards, lizards, snakes, insects, and birds live in this region.