i got confused with the conclusion, i was thinking disciplined like they had to get disciplined like they got in trouble or disciplined like they behaved?

C. Was wrong for me because it spoke about caloric requirements. We don’t care how many calories it needs to eat.

D. Said most marine animals but I thought it was wrong because what marine animals are we talking about?

A. Wrong because common ancestors? Where do we know that?

B. Cool but? If they were the only one who cares?