Sam: Mountain lions, a protected species, are preying on bighorn sheep, another protected species. We must let nature take its course and hope the bighorns survive. Meli: Nonsense. We must do what we can to ensure the survival of the bighorn, even if that means limiting the mountain lion population. Which one of the following is a point of disagreement between Meli and Sam? ['Humans should not intervene to protect bighorn sheep from mountain lions.', 'If the population of mountain lions is not limited, the bighorn sheep species will not survive.', 'The preservation of a predatory species is easier to ensure than the preservation of the species preyed upon.', 'Any measures to limit the mountain lion population would likely push the species to extinction.']