Some organisms are capable of reproducing through either asexual or sexual reproduction. Generally, in organisms that can reproduce either asexually or sexually, sexual reproduction occurs when the environmental conditions are stressful. Which of the following statements best explains why?

Sexual reproduction allows for the combining of energy and nutrients from two organisms.
Sexual reproduction produces larger numbers of offspring, increasing the odds of species survival.
Sexual reproduction produces offspring with new combinations of genes, increasing diversity.
Sexual reproduction requires less energy.