________ refers to the condition in which media violence reduces emotional arousal while watching violence

Girls who bully typically

use threats of force. mock and ridicule their victim. are larger than average in size. have older sisters who are aggressive.

One explanation for new species is that they emerge when two populations from an original species become geographically separate. With respect to this explanation, contemporary research has shown that

a. geographically isolating a species brings about its extinction. b. it is not possible to geographically isolate members of a species from one another. c. there are many examples of new species that have emerged without geographic isolation. d. new species never have ancestors in common with original species.