Which of the following staples, produced by men, are primary resources for the Igbo of Nigeria?
a. cow's milk and blood
b. pig meat
c. yams and cassava
d. barley
c
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Male-female hostility in the Mae Enga seems to reflect __________
A) the broader interclan hostility B) their belief in a fierce, powerful god C) a high level of natural aggression D) the unusually high status of Mae Enga women
The first circumnavigation of the globe was achieved by which explorer?
a. Marco Polo b. Christopher Columbus c. Ferdinand Magellan d. Francisco Pizarro
Studies of Galapagos finches have found that at certain points in time all finches on the island have either wide beaks or sharp narrow beaks. The type of evolution that leads to this phenotype distribution is _______ selection.
a. directional c. disruptive b. natural c. disruptive d. stabilizing
It is hypothesized that Asian H. erectus did not use hand-axe technology because they __________
a. had smaller brains b. had less dexterous hands c. left Africa before the hand-axe was invented d. were more peaceful than the African counterparts