You are presented with the question "what suddenly gets much smaller with the bottleneck effect" and the following answer choices: 
- a lot of human deaths
 - tectonic plates being pushed together
 - our nearest star
 - Decreased precipitation
 - Inches or fractions of inches.
 - large groups of individuals
 - the wearing away of rock
 - a hemisphere is tilted away from the sun

Now knowing that bottleneck effect occurs when a population suddenly gets much smaller and populations are large groups of individuals, choose the best answer.


 

      large groups of individuals   