Oligodendrocytes form the myelin sheaths in the central nervous system (CNS).
Answer the following statement true (T) or false (F)
True
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Helping behavior is adaptive from an evolutionary standpoint if
a. the fittest individual does not gain an advantage over the less-fit. b. the economic rewards of helping are greater than the costs. c. it helps to secure propagation of an individual's genes. d. it is performed for altruistic rather than egoistic motives.
Implicit prejudices and explicit prejudices are ____ to each other
a. almost perfectly positively correlated b. moderately to strongly positively correlated c. uncorrelated to weakly positively correlated d. strongly negatively correlated
A small, randomly-selected part of a larger population that accurately reflects characteristics of the whole population is a __________sample
a. representative b. correlational c. significant d. variant
A major evolutionary step was the process of cephalization (getting a head), with chordates having a single brain rather than a series of ganglia. What advantages does a brain confer to an animal that is not possible with ganglia?
What will be an ideal response?