Answer:
Ok I need more of the question more info. 
Explanation:
 
        
             
        
        
        
<span>Prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular. 
the second option because pro are usually found in plants and euk in animals and humans 
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Answer:
D
) ratio of neutrons to protons in each element.
 
        
             
        
        
        
Answer: A because two of the same pairs are homologous
 
 
        
                    
             
        
        
        
oak tree DNA is much longer than that in human and the number of chromosomes also differ