Thomson's plum pudding model dictated that the atom contains negative charges surrounded by positive charges in close vicinity. Rutherford's experiment determined that the particles are not this close and the atom consists mainly of empty space and that it is the negative charge that surrounds the positive charge, not the other way around.
Answer:without predators, to keep prey from producing too many and over eating, the ecosystem suffers as there isn’t enough for the prey themselves to eat.
