C as far as I know. Hope this helps!
        
                    
             
        
        
        
Answer:
is always a higher organism
Explanation:
lets take an example:
food chain consisting of zooplankton, small fish, big fish and man
as the order goes in the question ,the organism at the end of this food chain is man
 
        
             
        
        
        
* There have been times when naval vessels have collided with uncharted seamounts
* Seamounts can grow large enough to become an oceanic island
* Seamounts are usually in archipelagos, or groups of  seamounts or island  surrounded by a body of water
                                    (: I hope this helps! :)
 
        
             
        
        
        
Pituitary gland ( insufficient production of STH )
        
             
        
        
        
Lack of water would have an impact on the level of glucose produced hence decreasing the energy level that will finally be produced.