Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller.

Fact 2: Fire usually causes temporary declines in populations.

Given the two facts above, answer the question "What can occur in animals after a fire?" with the following options: 
- the population rises
 - Contaminated wounds
 - the population grows rapidly
 - the population fights the fire
 - recovery time from fatigue
 - the bottleneck effect
 - Temperature changing
 - Dehydration


 

      the bottleneck effect   