'Parapatric speciation' presentation slideshows

BIOL2007 - THE ORIGINS OF SPECIES Biodiversity 1.4 million described species

BIOL2007 - THE ORIGINS OF SPECIES Biodiversity 1.4 million described species Maybe as many as 30 million species overall How does speciation happen? Regardless of species concept, two species form a bimodal distribution of phenotypes or genotypes

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Geography of Speciation

Geography of Speciation. Allopatric Peripatric Parapatric Sympatric. Fig. 24-6. Sister species in allopatry. A. harrisi. A. leucurus. Peripatric Speciation (like allopatric , but offers drift a bigger role). Divergent natural selection &/or Genetic Drift = Speciation.

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