Resistant_to Challenged_with Treatment Extinct_populations car gen strong 0 car gen mild 0 car gen strong+constrained 0 car gen mild+constrained 0 gen car strong 1 gen car mild 0 gen car strong+constrained 6 gen car mild+constrained 0 pit str strong 6 pit str mild 0 pit str strong+constrained 6 pit str mild+constrained 5 str pit strong 4 str pit mild 2 str pit strong+constrained 6 str pit mild+constrained 4