v t e Speciation
Introduction History Laboratory experiments Glossary
Basic concepts	Species (Species problem · Species complex) Reproductive isolation Anagenesis Cladogenesis Cospeciation Evidence of evolution
Geographic modes	Allopatric (Peripatric · Quantum · Centrifugal · Founder effect) Parapatric (Clines · Ring species) Sympatric
Isolating factors	Adaptation Natural selection Sexual selection Ecological speciation (Parallel speciation · Allochrony) Nonecological speciation Assortative mating Haldane's rule
Hybrid concepts	Hybrid speciation (Polyploidy · Klepton · Recombination) Reinforcement (evidence) Secondary contact Character displacement
Speciation in taxa	Birds Fish Insects Plants Fossils (Paleopolyploidy · Punctuated equilibrium · Macroevolution · Chronospecies)
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