Lichen are one of the few kinds of life that can survive in the mountains of
Antarctica. These tiny plants live in small holes in the rocks. Outside, the extreme cold
and strong winds prevent any life at all from surviving Inside the holes, these lichen
manage to find enough water and warmth to keep alive, even though they are frozen
much of the time. This fact means that the lichen function extremely slowly and live a
very long time. Scientists believe that a lichen may remain alive for thousands of years.
If this is true, the lichen may