Genotypic variation, phenotypic variation, and competition
a. produce evolutionary change.
b. minimize the role that natural selection has played in human evolution.
c. play only a minor role in natural selection, regardless of species.
d. act directly on an organism's genotype.
e. confer reproductive success to those species that are stronger
a. produce evolutionary change.
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According to Vygotsky's theory, teachers should place an emphasis on learning as a cooperative activity. Given this, which of the following should teachers avoid?
a. Teachers should provide students with opportunities for peer tutoring. b. Teachers should encourage students to work together on group projects. c. Teachers should encourage students to work together to achieve common goals. d. Teachers should direct their students' learning.
What would cause a genetic female to develop a partly masculinized anatomy?
a. excessive levels of alpha-fetoprotein in her blood b. exposure of her mother to stressful experiences late in pregnancy c. exposure to less than the usual amount of estrogen during an early sensitive period d. exposure to more than the usual amount of testosterone during an early sensitive period