1. Subspeciation occurs when a population of a species becomes geographically isolated and starts to evolve separately.
亚种分化是指一种物种的一个种群在地理上隔离，并开始独立进化的过程。

2. The process of subspeciation can lead to the formation of new subspecies with distinct characteristics and adaptations.
亚种分化的过程可以导致形成具有独特特征和适应性的新亚种。