Evidence of a biochemical influence on aggression is the finding that a. aggressive behavior varies widely from culture to culture. b. animals can be bred for aggressiveness. c. stimulation of an area...

Evidence of a biochemical influence on aggression is the
finding that
a. aggressive behavior varies widely from culture to culture.
b. animals can be bred for aggressiveness.
c. stimulation of an area of the brain’s limbic system
produces aggressive behavior.
d. a higher-than-average level of the hormone testosterone
is associated with violent behavior in males.