Compare and contrast the costs and benefits of asexual reproduction versus sexual reproduction, and explain hypotheses for the evolution of sexual reproduction. This chapter explores some of the multi...Compare and contrast the costs and benefits of asexual reproduction versus sexual reproduction, and explain hypotheses for the evolution of sexual reproduction. This chapter explores some of the multitude of hypotheses for why sexual reproduction exists, the variety of ways in which sexes are determined in plants and animals, and some of the variation in mating systems of sexual organisms.