You are presented with the question "Bottleneck effect can be a precursor to what?" and the following answer choices: 
- massive damage
 - Climate change
 - Destroy bridges
 - Cambrian explosion
 - ground to shake
 - clams
 - soda
 - extinction

Now knowing that bottleneck effect occurs when a population suddenly gets much smaller and population size is the predictor of extinction probability, choose the best answer.


 

        extinction 