Ethics        
    
    
                        
            
  
      
  
                If we consider the possibility of superior life forms and the possibility of their interference of our own human species for their own gain, and then looking back at our own treatment of animals (inferior species), are Zoos ethical?         
Accepted:February 20, 2008          
                  
    
  
  
  
      Accepted:
February 20, 2008