species formation

• 物种形成

species formation的用法和样例：

例句

1. The remaining species form a well-supported clade, which in turn can be divided into smaller groups.
   余下的物种形成一个良好的支持分支，这反过来又可以分为较小的团体。
2. Because many polyploidy species are themselves multiply derived, Stebbins' estimate is probably closer to the true polyploid speciation rate.
   由于许多多倍体物种是自身繁殖衍生，斯特宾斯的估计可能是更接近真正的多倍体物种形成率。