natural differentiation

例句：

1. 1. The process of natural differentiation is crucial for the survival of species.
   自然分化的过程对于物种的生存至关重要。
2. 2.In biology, natural differentiation refers to the developmental changes that occur in organisms during their growth.
   在生物学中，自然分化指的是生物在成长过程中发生的发育变化。
3. 3. The genetic differences between different populations are often a result of naturaldifferentiation.
   不同群体之间的遗传差异往往是自然分化的结果。