Electric field , and if that’s wrong it should be electric force . Those are the only two that make sense
        
                    
             
        
        
        
Hello!
This would be false as it is just nerves inside of the body impulsing between each other and that would not be necessary to adapt to a new environment. 
I hope this helped!
I am, yours most sincerely,
SuperHelperThingy
        
             
        
        
        
It would be an opaque Object <span />