No primates except humans engage in intergroup violence.Group of answer choicesTrueFalse

Humans are the only primate species that form coalitions to kill members of other groups.Group of answer choicesTrueFalse

Cooperation and altruism are more prevalent than aggression in primates.Group of answer choicesTrueFalse

Chimpanzees have much higher rates of non-lethal violence than subsistence human groups.Group of answer choicesTrueFalse

Aggression avoidance and reconciliation are important components of primate and human social systems.Group of answer choicesTrueFalse

Which of the following is the most common social system among non-human primates?Group of answer choicesOne male/multi femaleMulti male/multi femaleSolitaryMonogamousNone of the above