Before the AIDS epidemic in Africa, Zimbabweans had a life expectancy of 61 years. But by 2000, this figure dropped to
a. 35.
b. 45.
c. 60.
d. 55.
e. 40.
b
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Which of the following is not a universal cultural need?
a. a social control system b. a system of marriage and family c. a system of supernatural belief d. a formal educational system e. a system of communication
The Samoan community living in Los Angeles has successfully used the matai system to deal with modern urban problems.
Answer the following statement true (T) or false (F)
Y chromosome evidence traces descent from __________.
A) males only B) females only C) both males and females D) adoptive parents
A molecular clock is used to measure:
A. the age of an individual B. the relative evolutionary distance between species C. the rate of mutation in an individual D. the rate of mutation in a population