The dynamics of a single species and harvested single species that goes extinct when rare, is described by nonlinear differential equations a)Ń = rN ﴾1 – N/K﴿ ﴾N/K – A/K﴿ b)Ń = rN ﴾1 – N/K﴿ ﴾N/K – A/K﴿-hN, (1) where a ...