biogeography

Understanding global patterns in amphibian geographic range size: does Rapoport rule?179..19
http://felixwhitton.com/wp-content/uploads/2013/07/Whitton_2011_amphibians_GEB.pdf

1. Describe the methods for this study.
2. List the hypotheses.
3. Interpret Figure 1.
4. What are the predictors of small geographic range?
What were the conclusions? Does Rapaport’s rule apply to amphibians? Why or why not?