Once humans evolve a resistance to a disease-causing organism, what occurs?
a. That organism becomes extinct.
b. Humans become completely immune to that organism.
c. Resistance to the organism becomes part of the human genome.
d. The organism begins evolving to counteract host resistance.
Correct Answer: d
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In many Western countries there has been a dramatic increase recently in the percentage of one-parent families. What percent of these one-parent families is female-headed?
a. about 30% b. about 50% c. about 70% d. about 90%
Which statement is true of syntax?
A) Speakers of a language are usually not consciously aware of the rules of syntax. B) The rules of syntax are only learned through formal education. C) A language's syntax changes more quickly than its vocabulary. D) All languages follow the same basic rules of syntax.
Pastoralism can be either transhumant or nomadic
Indicate whether the statement is true or false
American historicism was developed by _______
a. Melville J. Herskovits b. Claude Lévi-Strauss c. Ruth Behar d. Franz Boas e. Bronislaw Malinowski