Antarctica is a continent where the temperatures are so cold
that the snow doesn´t melt, but it forms so much that its
weigh presses down on the lower layers to form ice.
The animals don´t live there permanently because it’s very
cold, but some go there to breed.
Its edges are boarded by seven countries.
The land there is the tundra, and its warm enough for
animals and plants to survive.
In summer, the ice melts and the surface thaws, but
under it there´s permafrost, that makes the land boggy.
Some animals are adapted to swim in the sea and to reduce
the heat lost because of the icy winds, that makes it difficult to
survive on land.
Penguins and seals swim.
• Polar bear
Another thing is that animals, like polar bears, build shelters to protect
themselves from the cold.
Some animals have different winter and summer
coats. In winter, they become white. In
summer, they become brown. For example, the