The social brain hypothesis argues that primates have large brains to allow them to deal with complex social relationships that result from group-living.Group of answer choicesTrueFalse

In general, primates are social because it helpsGroup of answer choicesto emphasize care of the youngto reduce stress, promote longevity, and enhance reproductive successto increase relationships between kin for the improvement of the societyto develop support for females to increase fecundity

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

The increased brain size observed in the order Primates:Group of answer choicesresults in extended periods of primary care to accommodate increasing behavioral complexity.results in shorter developmental periods to allow primates to begin gathering food to support larger brain size needs.demonstrates the importance of intelligence in primate evolution.both a. and c.

Sociality among primates is likely the result of which of the following selective pressures?Group of answer choicesniche competitionhabitatpredationadaptive radiation

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