Nerve cells that nourish neurons and encase them in insulating sheets of myelin are called
a. synapses.
b. neurotransmitters.
c. corpus callosum.
d. glia cells.
D
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What is the evolutionary-based explanation for sibling rivalry?
a. Competition for limited parental resources b. Natural sexual tension between close relatives c. A kinship-violence gene d. There is none, as evolutionary theorists reject the notion of sibling rivalry
The overriding goal of eugenics is to
a. silence or eliminate political opposition. b. improve the genetic traits of children. c. discourage or prevent parents' abuse of their children. d. discourage overpopulation in society.
Which of the following interpretations is consistent with results of many studies to teach human language to animals?
A) Animals cannot learn to associate particular words, signs, and symbols with specific meanings. B) Animals can learn human language, but prefer not to. C) Animals can learn to communicate with symbols and signs, but there is not clear evidence that they can combine these symbols into complex phrases. D) Animals raised with humans from birth can learn language just as easily as a human child.
A personality that consisted of only the ego and the id would be completely
a. illogical. b. selfless. c. rational. d. amoral. e. destructive.