Species is the basic unit of classification. Lattin word is species.
Authors names & theirs books - Johnray- book Historia Generalis plantarum
The term species used by Linnaeus Linnaeus - book Systema naturae Linnaeus told that species as the basic unit of classification. Buffon - book natural history, Idea of the evolution of species & founder for the biological conception of evolution discovered by Buffon. Charles Darwin - book origin of species ...dynamic nature of new species
Buffon's biological concept of species explain species is interbreeding group of similar individuals sharing a common gene pool
Reproductively isolated from individuals of other species- breeding unit. Sharing same ecological
Sharing same ecological nich- ecological unit.
Showing similarity in karyotype- genetic unit.
Similar structure & functional characteristics - evolutionary unit.
Closely related species of genus interbreed & it gives sterile offspring. Ex.female donkey & male horse gives sterile hinny
Dobzhansky - gives the concept of mendelian population....when species defined. Mendelina population- group of sexually reproducing individuals matting takes .places - shares common gene pool.The population of species show assortative mating .they inhabit different geographical areas & adapt continuously to surrounding of environment & leads to news species ... Species is dynamic