Dictionary > Vicariance

Vicariance

Definition
noun, plural: vicariances
(biology)
The separation of a large group of organisms from the population due to a geographic barrier.
(geology)
The geologic event which produces geographic barrier, such as volcano, river, earthquake, etc.
Supplement
Word origin: From vicariant, from Latin vicārius, vicarious, “substitute, deputy” (adj. and n.), from vicis “turn, change, exchange, substitution.

Related forms: vicariant (adjective), vicarious (adjective).
See also: vicariant speciation, allopatry.


You will also like...

Gene Regulation in Eukaryotes
Gene Regulation in Eukaryotes

This tutorial is about genetic regulation in eukaryotes. Learn about the general structure of a eukaryotic gene, the tra..

genes controlling growth and development
Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

Neurology of Illusions
Neurology of Illusions

Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..

Human Reproduction
Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

Plant meristem
Plant Meristems and Growth

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

dinosaurs
The Dinosaurs

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..