Threatening behavior causes a fight-or-flight response in animals.
Goats are four legged animals.
Threatening behavior causes a fight-or-flight response in goats.
what does threatening behavior cause a fight-or-flight response in?

[A] Species
[B] bears
[C] ants
[D] goats
[E] humans
[F] gravity
[G] h2o
[H] Mammal