The tundra has a very cold climate with winter temperatures between -20 to -30 degrees C and summer temperatures between 3 to 12 degrees C. It is located near the north pole in areas like Alaska, Canada, Greenland, Scandinavia, Siberia, and Russia. Few plants can survive the harsh conditions, including mosses, willows, and flowers. Animals that have adapted include the Arctic fox, caribou, polar bear, and musk ox. Food chains in the tundra are short with few links, such as caribou eating grass and being preyed on by Arctic wolves.