In regions where malaria is present, it acts as a selective agent that favors the heterozygous phenotype, because people with sickle-cell trait produce more offspring than those with only normal hemoglobin, who may die of malaria
Indicate whether the statement is true or false
True
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In capitalism, workers are dependent on __________ to organize and produce goods and services, sell their labor for wages or salaries, and produce a surplus value that the owners retain as profit
a. consumers b. owners c. laborers d. partners
The rapid expansion of placental mammals after the Mesozoic major extinction event is a good example of
a. parallel evolution. b. specialization. c. homology. d. adaptive radiation. e. devolution.
All of the following are true of the error term in a regression equation except which one?
A) It's distribution is assumed to be bell-shaped. B) It is random. C) It is assumed to be normally distributed. D) It is constant.
Among Plains Indian societies, Berdaches were not
a. recognized by their cultural group as a third gender. b. men who chose to live as women. c. also known as "two-spirits" in some Plains Indian societies. d. reflective of material culture's symbolic meanings, having nothing to do with gender roles and gender ideology. e. performing women's traditional roles.