On new concepts put forth to challenge the biological species concept : " To be very blunt and honest, most of the people writing these papers are very ignorant ."
22.
They argued that as a fertile, reproductively isolated population sharing a common origin, the fertile individuals were consistent with several popular biological species concepts, and warranted recognition as a species.
23.
Evolutionary biologists often define species as populations that do not interbreed with each other ( the biological species concept ), thus the benthics and limnetics within each lake would constitute separate species.
24.
This complex situation does not fit well within the biological species concept of Ernst Mayr which defines a species as " groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups ".
25.
In addition, the biological species concept, which defines a species as a group of interbreeding populations that do not breed with other groups, attained its nearly universally accepted status through Mayr's successful promotion of it more than 50 years ago.
26.
:: It should be noted that while the above is stated as fact, as our extinction hypothesis article points out, it is just one of many competing theories . ( And you've made a mess of the biological species concept.
27.
Mayr, on the basis of an understanding of genes and direct observations of evolutionary processes from field research, introduced the biological species concept, which defined a species as a group of interbreeding or potentially interbreeding populations that are reproductively isolated from all other populations.
28.
They argued that as the fertile population is sexually reproducing, reproductively isolated, and emerged from a common origin ( in contrast to " A . ?ebenoides ", which arises through independent hybridization events, possibly followed by vegetative propagation ), it is consistent with several well-accepted biological species concepts and is deserving of recognition.
29.
The American Ornithologists'Union's Committee on Classification and Nomenclature, the body responsible for maintaining and updating the " Check-list ", " strongly and unanimously continues to endorse the biological species concept ( BSC ), in which species are considered to be genetically cohesive groups of populations that are reproductively isolated from other such groups ".
30.
The AOU's Committee on Classification and Nomenclature, the body responsible for maintaining and updating the " Check-list ", " strongly and unanimously continues to endorse the biological species concept ( BSC ), in which species are considered to be genetically cohesive groups of populations that are reproductively isolated from other such groups " ( AOU 1998 ).
