[113] Outdoors which have been the "zones of physiological strain", where the survival and reproduction are feasible although not exceptional. Beyond these zones will be the "zones of intolerance", where survival and reproduction of that organism is unlikely or extremely hard. Organisms which have a wide range of tolerance http://wiki.sgsproject.nichost.ru/index.php/From_Science_to_Lifestyle:_FullerSears.com_Covers_It_All