Many species, for example, originate in small populations.Many species, for example, originate in small populations.
例如，不少生物种就起源于一个很小的群体。
a situation in which the frequency of a particular gene in a small population of living things changa situation in which the frequency of a particular gene in a small population of living things chang
基因漂变，遗传漂变
It is related to the concept of a founder effect, since small populations often undergo bottlenecks.It is related to the concept of a founder effect, since small populations often undergo bottlenecks.
边域性物种形成与奠基者效应的观念有关，因为小的群体往往要经历瓶颈效应。
In small populations, fixation to a single surviving allele can occur in just a few generations.In small populations, fixation to a single surviving allele can occur in just a few generations.
在小的群体中，对继续存在的等位基因的固定，可能在短短的几代里发生。
The sparse vegetation will only feed a small population of animals.The sparse vegetation will only feed a small population of animals.
稀疏的植物只能喂少量的动物族群。
