The testes are important because:
A. they produce milk.
B. they filter out waste materials from the body.
C. they help clot the blood when blood vessels rupture.
D. they produce sperm.
Answer: D
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In today’s world, hunters and gatherers are found:
a. on land very poorly suited for agriculture. b. in a few, very dense populations. c. living permanently on arid lands near waterholes, where animals can be easily hunted. d. living in large extended families. e. only in Africa.
The extended family is based on marital ties and the nuclear family is based on blood ties
Indicate whether the statement is true or false.
Anthropologists John Van Willigen and V. C. Channa found that the increase in dowry deaths was partially the result of which of the following?
A. economic inflation B. a decrease in the average age of the bride C. an increase in the practice of bridewealth among rural families D. the repeal of national laws that made the institution of dowry illegal
The United States is a country of immigrants. Newly arrived immigrants tend to settle near one another for social comfort and support, thus forming small, semi-isolated populations. The frequencies of the ABO blood types in these populations are often very different from the population of the mother country. This is due to the fact that:
A. the small size of the immigrant population is not a random sample of the mother population B. mutation rates are higher in the United States C. natural selection quickly produces changes in the frequencies of ABO blood types D. none of these