|
Two historical species concepts ... Species and Species Concepts; ... Includes concepts associated with Biological Species, the BSC is the broadest general case of the ESC; [i.e., a biological species is an evolutionary species at a partcular point in time]; Species Recognition Mechanisms...
|
www.mun.ca/biology/scarr/2900_Species.htm
www.mun.ca/biology/scarr/2900_Species.htm
|
|
|
|
Biological Species Concept ... The biological species concept defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance. Although appearance is helpful in identifying species, it does not define species. ... Other species concepts...
|
evolution.berkeley.edu/evosite/evo101/VA1BioSpeciesConc...
evolution.berkeley.edu/evosite/evo101/VA1BioSpeciesConcept.shtml
|
|
|
|
Defining a Species ... A species is often defined as a group of individuals that actually or potentially interbreed in nature. In this sense, a species is the biggest gene pool possible under natural conditions. ... • Other species concepts...
|
evolution.berkeley.edu/evosite/evo101/VADefiningSpecies...
evolution.berkeley.edu/evosite/evo101/VADefiningSpecies.shtml
|
|
|
species concepts The concepts, or ideas, that underlie what biologists mean by the term species. Evolution produces diversity at many levels, from genes, races, species, to genera and higher taxa. ... In recent years, however, any semblance of agreement about species concepts, even among zoologists, has been shattered.
|
abacus.gene.ucl.ac.uk/jim/Sp/speconc.html
|
|
SPECIES, CONCEPTS O ... I. What are species concepts for? II. Statement of bias ; III. Darwinian species criteria ; A. Darwin's species criterion ; B. Polytypic species ; IV. The philosophization of species: the interbreeding species concept ;
|
abacus.gene.ucl.ac.uk/jim/Sp/Species.html
abacus.gene.ucl.ac.uk/jim/Sp/Species.html
|
|
Some major species concepts are: ... There are other species concepts (now you know why it this has been called the 'species problem'): Ecological, Pluralistic, etc. One philosophical approach is to ask whether species are "individuals" or "classes".
|
biomed.brown.edu/Courses/BIO48/20.SpeciesConcepts.HTML
biomed.brown.edu/Courses/BIO48/20.SpeciesConcepts.HTML
|
|
The biological species concept is the most widely accepted species concept. It defines species in terms of interbreeding. For instance, Ernst Mayr defined a species as follows: ... "species are groups of interbreeding natural populations that are reproductively isolated from other such groups."
|
www.blackwellpublishing.com/ridley/a-z/Biological_speci...
www.blackwellpublishing.com/ridley/a-z/Biological_species_concept.asp
|
|
Here is a working list of species concepts presently in play. I quote "Concepts" above because, for philosophical reasons, I think there is only one concept - "species", and all the rest are conceptions, or definitions, of that concept.
|
scienceblogs.com/evolvingthoughts/2006/10/a_list_of_26_...
scienceblogs.com/evolvingthoughts/2006/10/a_list_of_26_species_concepts.php
|
|
I was chatting with a friend who has published a fairly high profile article on speciation about species concepts. We came to the conclusion that species concepts are useless unless they guide future research. Okay, we were just echoing Coyne 'n Orr.
|
scienceblogs.com/evolgen/2007/01/species_concepts_are_d...
scienceblogs.com/evolgen/2007/01/species_concepts_are_dynamic.php
|
|
