Allopatry

Definition
noun
The occurrence of population of related organisms in separate, non-overlapping geographic areas such that members fail to encounter one another, hence, are unable to crossbreed.
Supplement
Allopatry leads to genetic isolation due to geographic separation, and results in the formation of new species over time.
Word origin: ancient Greek allos, other+ Greek patrā, fatherland.

Related forms: allopatry
See also: allopatric speciation, Genetic isolation.

Freshwater Producers and Consumers

Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

Still Water Animals

Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

Principles of Hormonal Control Systems

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Evolution of Life – Ancient Earth

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

Plant Metabolism

Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..