Question

How do the animals or humans in tundra regions breathe as it is also known as the tree less land?

Answer 1

Animals of all sizes have adapted to harsh weather conditions and long winters of the tundra.

Many animals have shorter legs and ears to minimize exposing their skin to the cold. Some are also well adapted to living high up in the mountains. For example, mammals at high elevation are able to use oxygen more efficiently.

Small creatures, such as ground squirrels, can seek refuge in vegetation but because it’s usually sparse and low, it may expose them to predators. To avoid danger, some species have evolved to be fast runners or to be camouflaged.

The rain-forest is often called the earth's lungs, because the extremely high plant density is responsible for converting a lot of the world's carbon dioxide into oxygen.