Until the Mid-1960s,dung from Introduced Cattle Accumulated in Australia Because

Until the mid-1960s,dung from introduced cattle accumulated in Australia because

A) Australia lacks native dung beetle species.
B) cattle dung poisoned the native dung beetle species.
C) native dung beetles were adapted to dung that is drier than cattle dung.
D) native dung beetles were adapted to dung that is wetter than cattle dung.
E) native dung beetles were unable to process nitrogen-containing materials.