Higher amounts of melanin in the skin inhibit the body's ability to manufacture vitamin D. This confers an adaptive advantage in environments with excessive sun exposure
Indicate whether the statement is true or false.
Answer: True
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What possible situation must be considered when deciding to provide vaccinations against life-threatening disease to a new community?
A) whether the society has the resources to sustain the potential population increase B) if the vaccine has minor side effects, such as headache or fever C) what time of year to give the vaccine, since its efficacy is seasonal D) if social stratification might prevent every individual from receiving the vaccine
An individual with the ALDH2*2 allele is __________
a. much less likely to become an alcoholic b. more susceptible to becoming addicted to opiates c. metabolizes alcohol quicker that someone without the allele d. cannot become addicted to psychoactive substances
The predominant mode of religious organization practiced among food collectors is:
a. ecclesiastical cults. b. shamanistic cults. c. communal cults. d. individualistic cults. e. congregational cults.
In "The Case of an American Gypsy," Sutherland argues that Gypsies hide their personal identities as a way to combat persecution by members of the societies in which they live
Indicate whether the statement is true or false.