Fact 1: Competition may lead to aggressive behaviors or displays of aggression.

Fact 2: Human mating behavior also involves some competition.

Given the two facts above, answer the question "Human mating may lead to " with the following options: 
- population decline
 - improved eyesight
 - earthquakes
 - It helps them survive
 - heat produced
 - aggressive behavior
 - produce offspring
 - biological diversity


 

      aggressive behavior   