Caucasian children living in poverty are just as likely to be aggressive as African American living in poverty

Which of the following conclusions is the most logical to draw from the fact that mice and songbirds have versions of the FOXP2 gene that is very similar to the form found in humans?

A) Mice and songbirds can use language to communicate. B) The FOXP2 gene did not develop specifically as a result of language development during human evolution. C) The FOXP2 gene is not involved in language. D) The FOXP2 gene is solely responsible for the ability of humans to communicate.

Psychotic behavior following heavy amphetamine use:

a. Has never been documented b. Lacks the delusions of schizophrenia c. May be permanent d. May be accompanied by a permanent sensitivity to amphetamines