Why are these organisms by the deep sea vents?
        
             
        
        
        
Surface tension in water owes to the fact that water molecules attract one another, as each molecule forms a bond with the ones in its vicinity. ... This inward net force causes the molecules on the surface to contract and to resist being stretched or broken.
        
             
        
        
        
What's being asked here? I'm personally not sure
        
             
        
        
        
Pro cells have cell wall but eukar don’t