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.

I, the copyright holder of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers. GFDL with disclaimers GNU Free Documentation License with disclaimers //en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License

This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. This licensing tag was added to this file as part of the GFDL licensing update. Cc-by-sa-3.0Attribution-ShareAlike 3.0https://creativecommons.org/licenses/by-sa/3.0/

This file is licensed under the Creative Commons Attribution-ShareAlike license versions 2.5, 2.0, and 1.0.https://creativecommons.org/licenses/by-sa/2.5/CC-BY-SA-2.5Creative Commons Attribution-ShareAlike 2.5truetrue

You may select the license of your choice.

This file is a candidate to be copied to Wikimedia Commons. Any user may perform this transfer; refer to Wikipedia:Moving files to Commons for details. If this file has problems with attribution, copyright, or is otherwise ineligible for Commons, then remove this tag and DO NOT transfer it; repeat violators may be blocked from editing. Other Instructions Endorse this file for transfer by adding |human=<your username> to this Template. If this file is freely licensed, but otherwise unsuitable for Commons (e.g. out of Commons' scope, still copyrighted in the US), then replace this Template with {{Do not move to Commons|reason=<Why it can't be moved>}} If you think that a local copy of this file should be retained, then replace this Template with {{Keep local|reason=<Why a local copy is needed>}} Please ensure that the file has a properly descriptive and unambiguous name before transferring; see Wikipedia:File mover#What files should be renamed? for details.

This file was suggested for transfer by a bot (User:Fbot). Please verify that this file is suitable for Commons before transferring it.

This media file is either in the public domain or published under a free license, and contains no inbound file links. If this media file is useful, then it should be transferred to the Wikimedia Commons. If this media is not useful, then please propose it for deletion or list it at files for discussion.