Simple measures of cranial shape yield the:
A. cranial index.
B. cephalic index.
C. encephalization index.
D. encephalization quotient.
Answer: B
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Members of the genus Homo were almost exclusively creatures of the tropics until about:
a. 200,000 years ago b. 1 million years ago c. 800,000 years ago d. 400,000 years ago
"Race" is
A. only important in the United States. B. based on biology, while ethnicity is based on culture. C. an achieved status. D. culturally constructed. E. a scientifically defined characteristic.
Gene flow is defined as the
a. production of new alleles. b. production of new genetic material. c. chance loss of alleles in a population. d. exchange of genes between populations. e. differential reproductive success of individuals.
An example of a learned behavior among chimps is the use of a _______ to extract and eat safari ants
a. spoon b. spear c. wand or stick d. fruit