You are presented with the question "What are pheromones used for?" and the following answer choices: 
- genetic diversity
 - Predators
 - gene flow
 - growth
 - Plant reproduction
 - Reproduction
 - Protection
 - Digestion

Now knowing that an animal needs to attract a mate to reproduce and pheromones have long been known to exist in animals, as scents that attract sex partners, choose the best answer.


 

      Reproduction   