The Extinction of the Australopithecines Suggests That the

The extinction of the australopithecines suggests that the

A) australopithecines ultimately were unsuccessful in competing with early Homo populations.
B) broad-spectrum revolution was not adaptive.
C) australopithecines had no social organization.
D) transitional stage between apes and humans was very short.
E) australopithecines are relatively unimportant in the study of human evolution.