You are presented with the question "What can result in offspring?" and the following answer choices: 
- seeds
 - competition
 - courtship
 - travel
 - resistance
 - solitude
 - litter
 - reading

Now knowing that mating is generally preceded by courtship and for example, a black rooster and a white hen mate, and the resulting offspring are gray, choose the best answer.


 

   courtship      