The heart is one of the first structures to appear in the embryo. This is in accordance with the

Taste buds are contained in the tongue's ________

a. hair cells b. underside c. saccules d. papillae

In an experiment, researchers, some of whom were dressed poorly and others well-dressed, asked people in bakeries for a pastry while claiming they did not have enough money to pay for it. These researchers were studying the

a. difference between achieved roles and ascribed roles. b. effects of social status in society. c. impact of social roles on prosocial behavior. d. dimensions of group structure.