I would select A because cells have to divide into smaller cells depending on where they are.
        
                    
             
        
        
        
Possesses the characteristic of compartmentalization  of organelles,wherein the organelles are bound by membranes 
        
             
        
        
        
Since the air is a great thermal isolator, the windows prevent heat exchange better than one made out of a single thick sheet of glass. The air between the thin blankets is not moving around and will form an isolating layer that acts exactly like another blanket, thus improving the thermal isolation