Answer:
Conscientiousness          
Explanation:
Conscientiousness: The term conscientiousness is one of the personality traits in the Big Five personality trait model or theory. The personality trait is characterized by being diligent or careful. A conscientious person desires to perform well on a specific task, obligations to another person seriously, most organized, and efficient. A conscientious person is considered to be as dependable, hardly misses out anything be it an appointment or something else, hard worker, and honest
An individual who is high on conscientiousness is considered to be as reliable, perfectionist, and responsible. 
As in the question above, Bernard lived a long life as compared to his siblings because he was high on conscientiousness and he has done everything perfectly and on time.
 
        
             
        
        
        
I think it has to be c because it sound like it’s part of it
        
                    
             
        
        
        
Answer:
c. The non-scientist member.
Explanation:
The answer is "the non-scientist member."
IRB stands for Institutional Review Board. It is a regulatory authority which protects the rights of the human as a research subjects and looks after their welfare. 
The IRB members includes a Non scientist member for the IRB's discussion and vote on a particular proposal.
Thus the answer is 
c.The non-scientist member.