American paleontology research physical evidence to support the theory of evolution
        
             
        
        
        
Brain imaging studies of the Big Five personality traits have found that EXTRAVERSION is associated ............................ Personality psychologists put forward the theory that every human being falls into one of the five basic categories of personality trait. These five traits are called the big five and they are: extraversion, agreeableness, openness, conscientiousness and neuroticism. 
        
             
        
        
        
Explanation:
Prokaryotic organisms are type of cells that are clearly different from eukaryotic cells (human or plant cells), since they lack nucleus and other type of organelles and differ with size. ( some of them have flagella which helps these cells to move) 
Example: Any type of bacteria can be considered as a Prokaryotic cell