Which list best describes the locomotor anatomy of the South African australopithecines?
A) tall and narrow iliac blades, short ischial shafts
B) pelvis wide between the hip joints; short and broad iliac blades
C) fully developed pelvic bowl; long bones of legs show modern human proportions
D) short and broad iliac blades; pelvis narrow from side to side
E) no sign of a pelvic bowl in either species; strong iliofemoral ligaments in both species
B
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Refer to the figure below. If the market price for sunglasses is $50, Area A represents the ________.
A) consumer surplus
B) total surplus
C) producer surplus
D) deadweight loss
The market principle dominates in the economies of foraging societies
Indicate whether the statement is true or false.
The process of movement of culture traits from one society to another is called:
a. Innovation. b. Invention. c. Diffusion. d. Reintegration. e. Sublimation.
In contrast to earlier models, current explanations of the origin and decline of states
A. attempt to isolate the single variable that brought about cultural change. B. accept the possibility that extraterrestrial forces may have played a role in the rise and fall of ancient civilizations. C. emphasize the role of natural environmental factors. D. consider the effects of social and political variables in addition to environmental factors. E. suggest that all cultural change results from the diffusion of ideas between societies.