In Hidatsa society, age grades __________
a. existed only for men
b. existed only for women
c. served to provide meeting places for people with common interests
d. existed for both men and women
d
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Permanent male-female bonds are
a. common among nonhuman primates b. not common among nonhuman primates c. the basis of monogamous pairing typical of all nonhuman primate species d. nonexistent in primates e. known only in orangutans
The Peking Man fossils from Zhoukoudian date from __________ years ago
a. 6,000 to 2,500 b. 600,000 to 200,000 c. 6 million to 250,000 d. 6 million to 2 million
At present, the Y r k practice three different adaptive strategies; these are
A) sedentary pastoralism, horticulture, and hunting. B) nomadic pastoralism, hunting-and-gathering, and ranching. C) horizontal migration, irrigated agriculture, and floodwater farming. D) nomadic pastoralism, sedentary agriculture, and trade or shopkeeping. E) trade, shifting cultivation, and raiding neighboring groups.
In the context of the ABO blood-type system, when two different alleles of the same gene are present, both alleles are expressed in the phenotype. Such alleles are called:
A. codominant alleles B. recessive alleles C. polymorphic alleles D. dominant alleles