Interphase is the awnser... Hope this helps
        
                    
             
        
        
        
Cerebral cortex
1. Emotion can invoke an autonomic response.
2. Sexual thoughts or image which can increase blood flow to the genitals.
Hypothalamus.
1. It activates the flight or fight response.
2. It is the major control of ANS.
3. It is the integrating center for thermoregulation.
Brainstem.
1. It is integrating centers for reflexes which control heart rate and blood pressure.
2. It is the integrating center for pupillary reflex
Spinal cord
1. It is the integrating center for urination, erection, defecation and ejaculation reflexes.
        
             
        
        
        
Answer:
population that is unchanging
Explanation:
 
        
             
        
        
        
Answer: I think it might be C
Explanation: 
Because it tell you the same info that was in the text then in the question.