File:Speciation modes.png

Summary
Geographic illustration of SPATIAL ASPECTS OF SPECIATION:
 * 1) allopatric speciation - physical barrier divides population
 * 2) parapatric speciation - founding population leaves original
 * 3) sympatric speciation - speciation occurs without physical separation

Based on: http://www.bio.miami.edu/dana/160/speciation.jpg from http://www.bio.miami.edu/dana/160/160S04_6.html

Adapted from: Spring 2006, Lecture Notes for EVOLUTION AND BIODIVERSITY class (BIL 160 Section HJ) by Dr. Dana Krempels, dana at miami dot edu.