bgrnathan
bgrnathan
bgrnathan

ANY LIFE ON MARS CAME FROM EARTH

NATURAL LIMITS TO EVOLUTION: Only evolution within "kinds" is genetically possible (i.e. varieties of dogs, cats, etc.), but not evolution across "kinds" (i.e. from sea sponge to human). How did species survive if their vital tissues, organs, reproductive systems were still evolving? Survival of the fittest would