You are presented with the question "What tends to occur when individuals move into or out of a population?" and the following answer choices: 
- competing for resources
 - extinction
 - matter is destroyed
 - metabolic reaction
 - rapid exponential growth
 - seed dispersal
 - decreased differentiation
 - permineralization

Now knowing that gene flow occurs when individuals move into or out of a population and gene flow tends to decrease differentiation, choose the best answer.


 

       decreased differentiation  