1) Occurrence 
Allopatry means occupying different geographic locations. Compare with parapatry and sympatry. 
<ecology> The condition of two populations of the same species being separated by a geographic barrier that prevents them from interbreeding. ... (09 Oct 1997) ... 
Living in separate places. Compare with sympatry.
allopatry The geographic isolation of populations (organisms or species); especially, from other populations that are closely related to them.
noun the occurrence of related organisms in separate geographical areas with no overlap