geographic speciation

• 地理性物种形成,地理物种形成

geographic speciation的用法和样例：

例句

1. Polyploidy is a mechanism often attributed to causing some speciation events in sympatry.
   多倍性常被当作引起在同一地区并存的物种发生物种形成事件的一种机制。
2. A significant association may result from either increased speciation or reduced extinction.
   增加物种形成或降低灭绝速率可导致一个意义重大的联合。