-30 to 20 degrees Fahrenheit (-34 to -6 degrees Celsius) (Arctic tundra)

-12 and 10° C (10-50° F) in the warmer months (Alpine tundra)

Grow close to each other

Low to ground and remain small

Grows a wax type of fuzzy, hairy coating it helps to shield them from the cold and the wind. Also retains heat and mositure

Larger bodies and shorter arms, legs and tails it helps them keep in the heat better and prevent heat loss

Some animals bears, marmot, arctic squirrels hibernate for the winter and others will burrow like lemmings, ermine

Insects spend entire life buried in the soil, rocks or plants which acts as a shelter for them.

White coats for winter to camouflage to blend in with snow and ice

When season changes their coats turn brown or gray appearance it provides cover among the summer tundra's rocks and plants.

They sometimes eat left over scraps from polar bears' killings. They also eat vegetables

They have a thick coat of wooly fur to keep them warm in cold climates. Under the fur they have a layer of fat. They also have long guard hairs to keep out moisture.

Their fur is oily, so water just runs off their coats.

Their paws have fleshy pads and claws to make it easier for them and support them when they travel in snow.

They have a reflective retina called a tapetum that enhances their night vision but they can't see color.