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...

Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for...

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

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

In parapatric speciation, two subpopulations of a species evolve reproductive isolation from one another while continuing to exchange genes. This mode...

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...

Hybrid speciation is a form of speciation where hybridization between two different species leads to a new species, reproductively isolated from the parent...

in specie-deficient will attract spending from specie-rich countries, until price levels in both places equalize again. In practice, however, specie flows...

Humans (Homo sapiens, meaning "thinking man") or modern humans are the most common and widespread species of primate, and the last surviving species of...

Sub specie aeternitatis (Latin for "under the aspect of eternity") is, from Baruch Spinoza onwards, an honorific expression denoting what is considered...