Answer:
lthis is done mainly just to make them look nicer to apeal to more costumers
 
        
             
        
        
        
Answer:
Animals get rid of nitrogen by converting it int urea uric, acid and ammonia.
Explanation:
 
        
                    
             
        
        
        
ATP is the chemical substance that is used to power the cellular activities
        
                    
             
        
        
        
Answer:
Diploidy
Explanation:
Contains 2 sets of chromosomes.