Essay aus dem Jahr 2006 im Fachbereich Biologie - Evolution, Note: 1, Universität Wien, Veranstaltung: Astrobiologie, Sprache: Deutsch, Abstract: The search for life on Mars is the primary goal of European and American space institutes for the 21st century. This work concerns on the question why microorganisms are preferred and not animals or plants, and deals with topics of evolution, microbiology and astronomy.