Sexual reproduction requires two parent.the offspring produced by sexual reproduction are similar but not identical to the parents.the offspring are a combination of the characteristice of the parents.the main advantage of sexual reproduction is that it produces variation this mean a few of the offspring may be batter suited to survive in the habital meaning the species can become more successful over time.many organisms reproduce sexually the benefits of producing offspring that show variation far outweight the costs of finding a mate breeding and producing offspring