What Mars Life Might Look Like?

We got a lot of insight into what life on mars might be like by looking into some of the most em life forms on earth. The sort of extrem file oganisms on earth that we would be most interested in are organisms that can tolerate very, very cold temperatures. So cycropiles, it may be organisms that could survive in a morcidic water. And possibly life thats also very resistant to radiation, to ultra violet rays coming off the sun. Er cosmas has had no ozone layer.