Theory ----> not proved yet 
Law --------> a theory which is proved and universally accepted
        
                    
             
        
        
        
<span>ny scientist studying a species could change the name. These long ... To classify organisms, scientists use similarities and differences among species. ... MATERIALS ... also use genetic evidence, which is found within an organism's DNA.</span>
        
             
        
        
        
Now if you are talking about cells then Eukaryotic cells<span> contain membrane-bound organelles, including a nucleus. </span>Eukaryotes<span> can be single-celled or multi-celled, such as you, me, plants, fungi,and insects. Bacteria are an example of </span>prokaryotes<span>. </span>Prokaryotic cells do<span> not contain a nucleus or any other membrane-bound organelle.</span>
        
             
        
        
        
I believe the answer can be C, correct me if i’m wrong