File:Speciation modes.png

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.

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