Duniduniya mai tsaye na kawai a matsayi daga cikin yanki daidai na fasalin gurbin ruwa. Kana bincika masu rayuwa na tsaye a cikin rubutuwa, dai dai an yi shirye daidai don plants da corals a cikin gurbin ruwa. Don ba da so users ake sona da sabon fadi da littafin tsaye, wannan riga ake sona da wasu mai gabatarwa na wasu mai gabatarwa na gurbin ruwa. Daga cikin rubutun aiki na aiki, kuna iya samu tambaya daidai na tsaye, an yi wadda da sabon hanyar tsaye don zama da sabon hanyar kwayoyi da kuma an yi wadda don bayyana da sabon kasance na cikin duniduniyarku, don hanyar kasance na wasu ake gabata.