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 The frequency of a certain wave is 4 Hz and its period is

 The distance traveled by a wave during a single period is

The sender of a communication cannot stimulate one’s sense of taste or smell.

The science of the mind and the reasons people act the way they do is called _________.

Is it important that dental assistants avoid stereotyping individuals according to culture, customs, traditions, and beliefs.

The communication process consists of two major components.

Which one of the following traits characterizes a low defendability index species (D < 1)?

When rodent populations become large and dense, a lot of fighting occurs.  (A) Some people have claimed that this is because in dense populations, individuals encounter many non-relatives.  Aggression is favored in these encounters with “strangers” as opposed to encountering kin and offspring in which cooperative behavior would be favored.  (B) Others have criticized this argument on the grounds that aggression in dense populations stems from the fact that individuals lack familiarity with those animals that they meet, not from any supposed reproductive advantage of being aggressive to non-relatives.  Define each of these explanations as either ultimate or proximate (make sure to explain your choice).  Is one explanation more correct than the other one?  In other words, should the two groups be arguing with each other?  Why or why not?

What percentage of all nephrons are in the cortex region of a kidney?

Sexual selection differs from natural selection in