can you explain this graph please for dummies :D

The triviai state 0 is always unstable, while B is stable if y > '}J* and unstable otherwise. r* Y" Y Fig. 1. Bifurcation graph concerning the existence of steady states. The component 11(1)} corresponding to bacteria is represented as a function of 1;. Both branches 11+ (1).} and u_(}'_}. given in (1 3}. are shown. 12* and 1; + are. respectively. given in (1 6} and (14). lhpf 7* "3* Y Fig.2. Bifurcation graph concerning the existence of steady states. The component v(}'_} = luw} corresponding to the amoeba is represented as 1;. Both branches v+ (1;) = 1u_(];_) and vW} = 1u+ (12} are shown. 19* and j:+ are. respectively. given in (16) and (14}