On Channel Island, an increase in population size and density due to an increased exploitation of marine foods led to __________
a. a decline in general health
b. a decrease in interpersonal violence
c. less sedentary lives
d. simpler social organization
Answer a
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Scott Atran is a cultural anthropologist whose recent research has focused on which of the following?
A. political and religious terrorism B. the use of new technologies in underdeveloped nations C. language and the Internet D. racial discrimination in the United States
Shifting cultivation
A. typically involves the use of draft animals. B. cannot support permanent villages. C. relies extensively on chemical fertilizers. D. requires cultivators to let exhausted plots of land lie fallow for several years. E. requires irrigation.
Why did Europe begin massive colonization in the 1800s?
A) The Industrial Revolution allowed them to develop more weapons and needed raw materials. B) The countries of Europe had begun the age of exploration, and they were intent to discover continents. C) Europe was overpopulated and needed to send large populations of settlers to other places in order to survive. D) By the 1800s, Europe had ships that allowed easy transport, and they were more confident about transporting goods between countries. E) All of these are causes for the massive colonization in the 1800s.
The ratio of one allele to all the other alleles at a given locus in a population is the definition of
a. the allele frequency. b. a polymorphism. c. genetic drift. d. the mutation rate. e. The allele intensity