A discontinuous distribution is one in which:
A. frequencies show a gradation
B. a trait shows little or no gradation in frequencies between adjacent populations
C. high frequencies of the trait are found everywhere
D. low frequencies of the trait are found everywhere
B. a trait shows little or no gradation in frequencies between adjacent populations
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Kamaya Kimeu discovered the most complete Homo erectus at Zhoukoudian
a. True b. False Indicate whether the statement is true or false
The widespread nature of __________ is much greater than most Americans realize, given their belief in the ideology of the "American Dream."
a. unemployment b. dissatisfaction at work c. downward mobility d. class warfare
What is the most common form of marriage in the United States?
a. Monogamy b. Serial monogamy c. Exclusive monogamy d. Polyandry e. Polygyny
Which of the following is an underwater cave, found off the Mediterranean coast of France in 1992, containing footprints and artifacts of the Upper Paleolithic people?
A. Cosquer B. La Vach C. Lascaux D. Chauvet