Scientists are studying cold and dry environments on earth that are like the environment on mars. what kind of prokaryotes do you think they might find in these environments on earth? explain.

The answer is; extremophiles

These organisms are found in places on earth that would be damaging to most life on earth. There are different categories of extremophiles depending on their environment. For example, those that live in the extreme cold (even below  150C ) are called Psychrophiles while Xerophiles live extreme desiccation.