Skip to Content.
Sympa Menu

permaculture - Re: [permaculture] The Heretic - Was Thoughts on PDCs

permaculture@lists.ibiblio.org

Subject: permaculture

List archive

Chronological Thread  
  • From: "Lawrence F. London, Jr." <venaurafarm@bellsouth.net>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] The Heretic - Was Thoughts on PDCs
  • Date: Sat, 12 Dec 2009 21:22:43 -0500

Tripp Tibbetts wrote:
''''''''''''''''''''''''''
speciation event
''''''''''''''''''''''''''

Speciation
From Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Speciation

Speciation is the evolutionary process by which new biological species arise. The biologist Orator F. Cook seems to have been the first to coin the term 'speciation' for the splitting of lineages or 'cladogenesis,' as opposed to 'anagenesis' or 'phyletic evolution' occurring within lineages.[1][2] Whether genetic drift is a minor or major contributor to speciation is the subject of much ongoing discussion. There are four geographic modes of speciation in nature, based on the extent to which speciating populations are geographically isolated from one another: allopatric, peripatric, parapatric, and sympatric. Speciation may also be induced artificially, through animal husbandry or laboratory experiments. Observed examples of each kind of speciation are provided throughout.[3]

speciation
http://en.wikipedia.org/wiki/Speciation

species
http://en.wikipedia.org/wiki/Species

evolutionary
http://en.wikipedia.org/wiki/Evolution

cladogenesis
http://en.wikipedia.org/wiki/Speciation

genetic drift
http://en.wikipedia.org/wiki/Genetic_drift

anagenesis (phyletic evolution)
http://en.wikipedia.org/wiki/Anagenesis

phyletic
Anagenesis, also known as "phyletic change," is the evolution of species involving an entire population rather than a branching event, as in cladogenesis

allopatric
http://en.wikipedia.org/wiki/Allopatric_speciation

peripatric
http://en.wikipedia.org/wiki/Peripatric_speciation

parapatric
http://en.wikipedia.org/wiki/Parapatric_speciation

sympatric
http://en.wikipedia.org/wiki/Sympatric_speciation



















Archive powered by MHonArc 2.6.24.

Top of Page