While studying primates, researchers have found that baboons form group-based social rankings. The higher-ranking baboons have more dominance, power, and resources. The lower ranks of baboons tend to be more stressed and unhealthy. Which of the following is the most logical conclusion based on the above? a. Social rankings where one group dominates another group can be harmful. b. Stress and health are not related. c. Higher-ranking baboons are naturally superior to lower-ranking baboons. d. Baboons are more aggressive than other primates