Some primatologists suggest that
A) female primates act strategically to produce few offspring
B) among primates only human females are sexually assertive
C) primate females are more interested in producing offspring than the identities of their infants' fathers
D) female-female competition for access to males may result in the sexual dimorphism in body size seen in some primate species
E) female primates are very choosy about their choice of a male mating partner
C
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In a competitive market, buyers have ________ impact on the market price and sellers have ________ impact on the market price.
A) no; some B) some; some C) no; no D) some; no
Why are rotating credit associations common in societies with a traditional sharing system?
A) You are obliged to help when others ask for money, so it's easier to save if you have an obligation to save for your contribution. B) Rotating credit associations are by nature an altruistic venture, with individual contributors receiving little in return. C) Societies with traditional sharing systems rarely have formal banking institutions, so there is no alternative way to save money. D) Rotating credit is a complex version of generalized reciprocity, which has its roots in traditional sharing systems.
The Kow Swamp remains: a. are dated earlier than Lake Mungo remains. b. suggest that native Australians are later migrants from elsewhere, not descendants of a single migration datingback to about 50,000 ya
c. were dated from museum collections and therefore dates may be invalid. d. are more robust than the Lake Mungo remains. e. are from Central Europe.
Stratification has costs for those at the bottom of society, but does not negatively impact those at the top
a. True b. False Indicate whether the statement is true or false