The answer would be kingdom
        
             
        
        
        
Endosymbiotic theory is a theory of evolution that eukaryotes came from prokaryotes. Mitochondria and chloroplasts both have the double membranes. Each of them also contain genetic material that are replicated with a separate cell cycle. Both organelles have their own ribosomes.
        
                    
             
        
        
        
Answer:
They use their antlers to fight and establish dominance. 
Explanation:
 
        
             
        
        
        
A common use of carbohydrate is to provide energy for plants, animals and human.