What Appears to Be the Primary Cause of Arrested Adolescence

Multiple Choice

What appears to be the primary cause of arrested adolescence among young male orangutans?

A) Presence of dominant males in the same group
B) Presence of ovulating females in the home range
C) Lack of adequate food resources and high levels of competition for food
D) A genetic disorder found in several communities of orangutans
E) Birth order: first-born animals are more likely to have this occur than those born later in a sequence