What Is One of the Probable Explanations of the Extinction

Multiple Choice

What is one of the probable explanations of the extinction of the later australopithecines?

A) They were eventually unsuccessful in competing for available resources with early populations of Homo.
B) The broad-spectrum revolution was not adaptive.
C) They had no social organization.
D) They were a short-lived transitional stage between apes and humans.
E) They are relatively unimportant to the study of human evolution.