autofertilization

例句：

1. 1.In some species of plants, autofertilization occurs naturally.
   在有些植物中，自然会发生自体受精。
2. 2. The processof autofertilization is crucial forthe survival of many species.
   自体受精的过程对于许多物种的生存至关重要。
3. 3. Autofertilization has been observed in bacteria andother microorganisms.
   细菌和其他微生物已经观察到自体受精现象。