You are presented with the question "what does threatening behavior cause a fight-or-flight response in?" and the following answer choices: 
- Species
 - bears
 - ants
 - goats
 - humans
 - gravity
 - h2o
 - Mammal

Now knowing that threatening behavior causes a fight-or-flight response in animals and goats are four legged animals, choose the best answer.


 

    goats     