The Arctic, a frigid area with few trees and vegetation, is where
the tundra lies. During the dark winter, the temperature lowers to -76 degrees Fahrenheit, thus making the tundra one of the most unlivable places on earth.
However, some animals do manage to live in the tundra. Lemmings, one species who resides here for example, feed on the roots of plants. The lemming provides food for bigger animals, like the Arctic fox and snowy owl.
When it’s summer in the tundra, which spans a very short time, the snow melts and the ice on the surface of the soil melts, too. The ground is still frozen beneath, however, and prevents the melted ice from going away completely. This makes the tundra a swampy place, which is perfect for bugs such as black flies, mosquitoes, and springtails. Because of an abundant food source, many migrating birds fly to the tundra to lay their eggs at this time.
While the tundra is seemingly unlivable, this area makes up 15 percent of the earth's land mass. For the brave species who do live here, teamwork and cooperation are essential to survive.
[Source: The Kingfisher Young People's Book of Living Worlds]