8. Now let's consider four interacting species competing for resources. This situation may occur with certain bacterias. We will use ti to denote the population size of species i. x' = ridi 1 4-( - E46-5 ) Cijej (3) 1 Here and a are a vector of rate constants and the interaction matrix, respectively. r = 1 0.72 1.53 1.27 a= 1 1.09 1.52 0 0 1 0.44 1.36 2.33 0 1 0.47 1.21 0.51 0.35 1 Explain why a-(1,1,1,1)T is an equilibrium solution. 8. Now let's consider four interacting species competing for resources. This situation may occur with certain bacterias. We will use ti to denote the population size of species i. x' = ridi 1 4-( - E46-5 ) Cijej (3) 1 Here and a are a vector of rate constants and the interaction matrix, respectively. r = 1 0.72 1.53 1.27 a= 1 1.09 1.52 0 0 1 0.44 1.36 2.33 0 1 0.47 1.21 0.51 0.35 1 Explain why a-(1,1,1,1)T is an equilibrium solution