Answer:
I believe your answer would be -- 
B.) They remove urine from the body.
 
        
                    
             
        
        
        
Plant cells have a cell wall, but animals cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not.
Hope this helps :) 
 
        
                    
             
        
        
        
They get runoff into water sources which can be injested by fish which can be injested by birds or any animal who eats the fish or drinks the water including us!
        
             
        
        
        
In the 1900s most immigrants came from western europe