Premise: Species distribution . Biogeographers try to understand the factors determining a species ' distribution . Distribution patterns can change seasonally , in response to the availability of resources , and also depending on the scale at which they are viewed . It is very useful in understanding species distribution through factors such as speciation , extinction , continental drift , glaciation , variation of sea levels , river capture and available resources .
Hypothesis: Species distribution can be understood through factors such as available resources.
Label: NEUTRAL