According to the evolutionary perspective, why do human males help their female partner to raise their children?
A) Human males are kinder than the males of other species.
B) The offspring of fathers who help are better able to survive and reproduce.
C) Because human children nurse frequently, they are more difficult to raise than the offspring of other species.
D) Human females are helpless after the birth of a child.
Answer: B
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Cavin recently began wearing prescription glasses after her ophthalmologist informed her that she is affected by astigmatism. She learns that this is caused by ____.?
a. ?the loss of elasticity of the lens b. ?the degeneration of the retina c. ?an irregular eyeball shape d. ?an uneven surface of the cornea
According to the reality principle, the purpose of the ego is to:
a. determine what actually happened in a given situation b. search for socially acceptable outlets for the id's desire c. impose order on our perceptions d. help us form workable judgments about other people