同种繁殖

例句：

1. 1. The study of genetics is crucial for understanding how organisms reproduce.
   研究遗传学对于理解生物的繁殖过程至关重要。
2. 2. In some species, males produce sperm in the same way as females do.
   在某些物种中，雄性和雌性产生精子的方式相同。
3. 3. This phenomenon has been observed in many different species of plants and animals.
   这种现象在许多不同的植物和动物物种中都有所观察。