Sahelanthropus tchadensis was found about ______ million years ago
a. 15
b. 7
c. 3
d. 2
b
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Foragers are usually __________
a. mobile b. permanent c. scattered d. farmers
The greater brain size of early Homo compared to Australopithecines may not indicate markedly greater intelligence because
A) there are no cultural differences between the two B) it is impossible to link intelligence to brain size reliably C) very large differences in brain size are needed for differences in intelligence to be noticable D) Early Homo also has a larger body E) the differences are only of a few cubic centimeters at the most
Child-rearing practices reflect both cultural values and __________
a. environmental constraints b. children’s workload c. the time parents have to spend with their children d. social constraints
Encephalization quotient (EQ) refers to:
A. the rate of heart beat. B. the activity of the brain. C. the ratio of brain size to body size. D. the ratio of arm size to leg size in mammals.