The answer should be the refractory period
        
             
        
        
        
During the process of exocytosis, the cell membrane extends to engulf substances that are too big to pass through the cell membrane. Receptor proteins bind to signal molecules outside the cell.
 
        
             
        
        
        
Well.. 
over time domestic dogs have grown used to human life. They aren't 'wild'. They have (forgive me, I am trying to word correctly aaaaa) Their genetics and stuff have changed. (Forgive me I cannot use english at the moment. Hopefully this helped though. T~T)
        
             
        
        
        
It's the Indian ocean, the Arctic ocean is one of the smallest oceans out of the world's five major oceans, therefore it is the Indian ocean that is larger.