is a minor or major contributor to speciation is the subject of much ongoing discussion. Rapid sympatric speciation can take place through polyploidy...

"stepping-stone" (discrete populations), and stasipatric speciation in concordance with most of the parapatric speciation literature.: 111  Henceforth, the models are...

Allopatric speciation (from Ancient Greek ἄλλος (állos) 'other', and πατρίς (patrís) 'fatherland') – also referred to as geographic speciation, vicariant...

explains the derivation. Sympatric speciation is one of three traditional geographic modes of speciation. Allopatric speciation is the evolution of species caused...

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population.: 105  Since peripatric speciation resembles...

led to the idea that, because selection acts so strongly on mating traits, it may be involved in the process of speciation. This process of speciation influenced...

part of that century. Since then, research on speciation has expanded immensely. The language of speciation has grown more complex. Debate over classification...

have a good understanding of the origin of new species (speciation) and have observed the speciation process in the laboratory and in the wild. Evolution...

of a species due to a change in breeding periods. This isolation acts as a precursor to allochronic speciation, a type of speciation which results when...

The Specie Circular is a United States presidential executive order issued by President Andrew Jackson in 1836 pursuant to the Coinage Act of 1834. It...