Since 1964, when Chagnon first studied the Yanomam , roads have been built into their territory and gold has been discovered on their land. An important effect of this is
A) education has improved their lives.
B) by selling mining concessions they have become rich.
C) their diet has improved because they get food from the outside.
D) their subsistence base has been destroyed, and they are being decimated by epidemics.
E) none of the above.
D
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In a population, if 25 percent are nontasters (tt), the frequency of the recessive allele would be:
A. 0.05 B. 0.10 C. 0.25 D. 0.50
The best strategy for change is to base the social design for innovation on traditional forms in each target area
Indicate whether the statement is true or false.
Acculturation can occur with or without firsthand contact between groups.
Answer the following statement true (T) or false (F)
What is the difference between a deduction and a hypothesis?
a. A hypothesis is more accurate than a deduction. b. A deduction is a conclusion whereas a hypothesis is a preliminary explanation. c. A deduction cannot be disproven but a hypothesis can. d. Scientists work much more with hypotheses than with deductions.