[A2 Biology AQA] Speciation

Links to useful information and animations - allopatric speciation. 

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/Speciation.html

http://www.blackwellpublishing.com/ridley/a-z/Allopatric_speciation_b.asp

http://www.evotutor.org/Speciation/Sp1A.html