Dark skin is advantageous in the tropics because it
a. protects from frostbite.
b. protects from overexposure to ultraviolet radiation.
c. helps prevent rickets.
d. promotes vitamin D synthesis.
e. increases the skin's exposure to ultraviolet radiation.
B
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In a comparative study of 68 rural development projects, it was found that
A. over-innovation was the most productive development model. B. culturally compatible projects were twice as successful as incompatible ones. C. the socialist bloc model was the most successful. D. the capitalist bloc model was the most financially successful. E. the under-differentiated model led to the most equity.
Why does this chapter on culture include a section that describes similarities and differences between humans and apes, our closest relatives?
A. to emphasize culture's evolutionary basis B. to stress that there is no such thing as human nature C. to promote the study of primatology, which has nothing to do with human culture D. to better define culture as a capacity that distinguishes members of the zoological family hominidae from anatomically modern humans E. to illustrate how evolution is just a theory
The cercopithecoids only assumed a dominant role in the mammalian fauna after:
A. the extinction of the dinosaurs B. the number of hominoids diminished C. they spread into the New World D. all of these
Environmental degradation often contributes to the collapse of states.
Answer the following statement true (T) or false (F)