Climatic changes during the middle Miocene caused __________
a. Asia to become more heavily forested
b. the development of drier, more open areas in parts of Africa
c. a land bridge between Africa and Eurasia to form
d. expanded tropical areas in Europe to develop
Correct Answer: b
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What term refers to an organism's evident traits, or its "manifest biology"?
A. hereditary inequality B. genotype C. manifest destiny D. biological circumscription E. phenotype
Although the nuclear family has been the ideal in the U.S. for most of the 20th century, today ____
a. only slightly more than half of American families are nuclear families b. families look like the households portrayed in the 1950s sitcoms c. families prefer to be extended and not nuclear d. only about one household in five is nuclear e. only about one household in three is nuclear
Until recently, the prevailing view was that humans were __________.
A) in North America more than 50,000 years ago B) not present south of Alaska until after 11,500 years ago C) driven south by the expansion of the ice sheets D) originally in North America, and then moved into Asia
Carrier notes that although most Americans are ambivalent about Christmas shopping and giving, they generally still participate because:
a) there is a religious requirement to do so. b) they fear the disapproval of their friends. c) it re-creates and reaffirms social relations. d) it is recognized as a benefit to the economy.