Dictionary definition: biological species concept

Dictionary definition: evolutionary species concept
A Dictionary of Zoology;      259 words ...evolutionary species concept A suggestion made by G. G. Simpson for adapting the biological species concept for a palaeontological context: ‘a species is a lineage with its own evolutionary role and tendencies’.

Dictionary definition: cohesion species concept
A Dictionary of Zoology;      272 words ...cohesion species concept A proposal, made by Alan R. Templeton in 1989, to broaden the biological species concept by including asexual organisms and downplaying interbreeding ...

Dictionary definition: typological species concept
A Dictionary of Biology;      330 words ...typological species concept The concept of a species as a group ... supplanted by other concepts, notably the biological species concept . These could better account for the ... agamospecies ). See also phylogenetic species concept .

Dictionary definition: phylogenetic species concept
A Dictionary of Zoology;      286 words ...phylogenetic species concept The view that a species should be defined only by its diagnosibility ... Joel Cracraft in 1982 as a more workable alternative to the biological species concept , which implies knowledge of whether or not regular interbreeding ...

Dictionary definition: recognition species concept
A Dictionary of Zoology;      282 words ...recognition species concept The concept that a species is characterized by a unique fertilization ... flow with other species. This changes the emphasis in the biological species concept from negative (not interbreeding with other species) to positive ...

Article: Speciation
Genetics;      700+ words ... ... appropriate level of difference. Principal among these views are the biological-species concept and the morphological-species concept. The biological-species concept delimits species based on breeding. Members of a single species are ...

Article: Biological Species Are Natural Kinds
The Southern Journal of Philosophy;  October 1, 2008 ;     700+ words ... ... Abstract This paper argues that typical biological species are natural kinds, on a familiar ... absent from the standard examples are biological species. Aristotle can plausibly be said ... central examples are, precisely, biological species. Contemporary philosophers of biology ...