Feathers probably evolved for insulation in flightless dinosaurs, but they turned out to be useful for flight in birds, the dinosaurs' descendants. Feathers are considered ________ because feathers did not evolve for that purpose.
A. by-products
B. adaptation
C. natural selection
D. chance mutations
Answer: A
You might also like to view...
When the fMRI technique is used in studying language comprehension,
a. both the left and the right hemisphere are active, though their functions are somewhat different. b. people's responses occur so quickly that the fMRI is not especially useful. c. the results reveal that people who have experienced strokes show remarkably normal patterns of brain activity. d. the results reinforce the conclusion that language tasks are handled exclusively by the left hemisphere.
Monte is a three-year-old boy recently diagnosed with autism. He appears completely unresponsive to his parents and shows no indication of any language development. Monte seems disinterested in communication of any kind and has significant rituals such as lining up his toys and realigning them every few minutes. He becomes hysterical if anyone interrupts his ritualistic activity. On an IQ
assessment designed for very young children, Monte's score was extremely low. His prognosis is poor primarily because of a. his lack of language acquisition and low IQ. b. his low IQ and early age of onset. c. the early age of onset and lack of language acquisition. d. his ritualistic behavior and disinterest in his parents.
The research tool that is used least frequently by researchers of personality is _______.
a. the experiment b. the correlation c. the questionnaire d. the interview
Which of the following is NOT one of the questions that Cialdini suggests we should ask
when trying to defend ourselves from unscrupulous uses of social influence? a. Do we feel pressured? b. Do we wish we were somewhere else? c. Do we like the person we are interacting with? d. Does the other person stand to profit? e. Would we have avoided this situation if we could?