Caughley's Research on the Distribution of Three Different Species of Australian

Multiple Choice

Caughley's research on the distribution of three different species of Australian kangaroos (Macropus giganteus, M. fuliginosus, and M. rufus) suggests the

A) physical environment limits the distribution of the kangaroos.
B) topography limits the distribution of the kangaroos.
C) amount of rainfall limits the distribution of the kangaroos.
D) temperature limits the distribution of the kangaroos.
E) None of the choices are correct.