(iii) Due to the struggle between members of the same species and different species for food, space and mate.
(c) Xitwananisi lexi yimelaka nhlokomhaka ya mavito ya mitlawa yo hambana exivulweni, xitwananisi xa kona xi ta va swi, xik.: Vanhu, tihomu na tindlu swi khukhuriwile hi mati.