Mammals are divided into three groups on the basis of their:
A. method of milk production
B. circulatory system
C. manner of caring for their embryonic young
D. digestive systems and diet
C. manner of caring for their embryonic young
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Which of these groups is likely to have the most complex semantic domain relating to fishing?
a. A group living on the coast of the Pacific Northwest b. African tribes that herd cattle c. The Navajo in the U.S. Southwest d. People of the Kalahari desert
Homo erectus differs most distinctly from both early Homo and Homo sapiens in
a. the postcranial skeleton b. the way they walked c. height d. cranial size e. weight
Which of these languages is used the most widely in international commerce, global media, and popular culture?
a. Mandarin b. French c. English d. Spanish
Which of the following best defines the caste system in India?
A. a hierarchical organization of social groups based on birth group B. a system of rural economic transactions based on reciprocity C. a political organization run by educated peasants D. a method of processing wheat in rural India