adaptation anpassung appetite archaebacteria archaebakterien bacteria bakterien bio154f bio422f diet dietary effectofsalton ethnicgroups eukaryonten eukaryoticcells extremeenvironments feedingbehavior gn407+inprocess halobacteriales halophyten healthandhygiene indians indigenouspeoples microbiology nutrition nutritionalphysiologicalphenomena physiological physiology psychology qw80 salt-freediet saltinthebody salzresistenz sodium sodium-restricted southamerican watermicrobiology wi102s386s1991 wn2860 yanomamoindians