As male mandrills move up and down the _____, circulating testosterone levels rise and fall accordingly; likewise, humans expand their view of themselves when they are succeeding and shrink their view of themselves when they are failing.

Question

Quizplus · Accepted Answer

The sentence states that male mandrills' testosterone levels rise and fall according to their position in the dominance hierarchy, indicating that the missing word is "dominance hierarchy." The other options - female laterality, mating system, and nominal scale - are unrelated to the sentence and are therefore incorrect.

As Male Mandrills Move Up and Down the _____, Circulating