Fact 1: Male dogs use pheromones in urine to mark their territory.

Fact 2: Coyotes maintain their territory by marking it with urine.

Given the two facts above, answer the question "what use pheromones in urine to maintain their territory?" with the following options: 
- baby dogs
 - bears
 - rabbit
 - Male dogs
 - girl puppies
 - mammals
 - female dogs
 - animals


 

    Male dogs     