Some species of organisms can reproduce either asexually through mitosis or sexually, which requires meiosis. In which of the following situations would it be the least beneficial for a species to reproduce asexually rather than sexually?
One in which potential mates are difficult to find
One in which resources such as food and water are abundant
One in which the environment undergoes sudden, drastic changes
One in which the species is not capable of locomotion

Question

Some species of organisms can reproduce either asexually through mitosis or sexually, which requires meiosis. In which of the following situations would it be the least beneficial for a species to reproduce asexually rather than sexually? 
One in which potential mates are difficult to find 
One in which resources such as food and water are abundant 
One in which the environment undergoes sudden, drastic changes 
One in which the species is not capable of locomotion