When compared with arboreal quadrupeds, terrestrial quadrupeds are identified by:
A. less flexibility in the shoulder
B. shorter fingers and toes
C. a more forward position of the foramen magnum
D. significantly longer arms than legs
B. shorter fingers and toes
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Participation in tribal warfare tends to be based on __________
a. whether a person is in their period of military service b. voluntary association c. conscription d. patriotism
Leadership in a tribe is formal
a. True b. False
Marriage does all of the following across cultures except:
a. establishes strict rank and hierarchy between spouses. b. ?publicly validates a relationship. c. ?sanctions a sexual relationship with another person. d. ?provides a supportive setting for raising children.
For primates, most intragroup aggression takes the form of
a. fighting. b. signals and displays. c. throwing of objects. d. killing other individuals. e. slapping and biting.