Fact 1: Threatening behavior causes a fight-or-flight response in animals.

Fact 2: Basic survival- fight or flight.

Given the two facts above, answer the question "what kind of response does threatening behavior cause in animals?" with the following options: 
- yelling
 - threatened
 - basic survival
 - influenza
 - digestion
 - respiration
 - symptoms
 - hypothyroidism


 

   basic survival      