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

Look up specie or in specie in Wiktionary, the free dictionary. Specie may refer to: Coins or other metal money in mass circulation Bullion coins Hard...

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

Ecological speciation is a form of speciation arising from reproductive isolation that occurs due to an ecological factor that reduces or eliminates gene...

speciation. Charles Darwin was the first to describe the role of natural selection in speciation in his 1859 book The Origin of Species. Speciation depends...

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

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

distinct species sharing a common range exemplifies sympatric speciation. Such speciation may be a product of reproductive isolation – which prevents hybrid...

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...

Speciation has been observed multiple times under both controlled laboratory conditions and in nature. In sexually reproducing organisms, speciation results...