They trade away higher fecundity for future reproduction. Being iteroparous, they can produce Offsprings throughout life, but they produce single Offsprings trading away their fecundity so that they can reproduce throughout. Solution They trade away higher fecundity for future reproduction. Being iteroparous, they can produce Offsprings throughout life, but they produce single Offsprings trading away their fecundity so that they can reproduce throughout..