2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219955In this paper we complete the global qualitative analysis of a quartic ecological model. In particular, studying global bifurcations of singular points and limit cycles, we prove that the corresponding dynamical system has at most two limit cycles.13 pagesDynamical SystemsClassical Analysis and ODEs34C05; 34C07; 34C23; 37G05; 37G10; 37G15text