It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
        
                    
             
        
        
        
Cladistics<span> is an approach used for biological classification in which organisms are categorized based on  their shared characteristics that can be used to traced to a group's most recent common ancestor.</span>
        
                    
             
        
        
        
Thank You So muchhhhhhhhhhhhhhhhh!
 
        
                    
             
        
        
        
Rain water is the greater effect