有性生殖

例句：

1. 1. In plants, sexual reproduction is the process by whichoffspring are produced through fusion ofgametes.
   在植物中，有性繁殖是通过配子融合产生后代的过程。
2. 2. The studyof sexual reproduction has importantimplications for understanding the evolution oflife.
   对有性繁殖的研究对于理解生命的进化具有重要意义。
3. 3. In some species, sexualreproduction is not common and may be replacedby asexual reproduction.
   在某些物种中，有性繁殖并不常见，可能会被无性繁殖所取代。