A personality assessment tool that is used by most clinical psychologists is the ____.

To help him explain the variety of species he observed during exploration of the Galápagos Islands, Charles Darwin suggested the process of

a. bipedalism. b. encephalization. c. natural selection. d. behavior genetics.

Foods do not taste as good when you have a head cold because

a. fluid intake must be increased, and the diminished taste of food has evolved as an important signal in regulating body fluids. b. congestion makes it difficult for food odors to reach receptors for your sense of smell. c. your saliva becomes thicker and blocks some receptor cells. d. fever impairs the functioning of receptor cells. e. of previous taste-aversion conditioning experiences.