 
<translate> Tasirin kwalban yana faruwa ne lokacin da yawan jama'a ya ragu sosai ba zato ba tsammani. Girman yawan jama'a shine mai hasashen yiwuwar ƙarewa. Tasirin toshewa na iya zama mai gabatarwa ga ƙarewa. Amsar karshe: (H). <eng> Bottleneck effect occurs when a population suddenly gets much smaller. Population size is the predictor of extinction probability. Bottleneck effect can be a precursor to extinction. The final answer: (H). 