biological speciation

biological speciation

the formation of new species, based on the REPRODUCTIVE ISOLATION of the constituent populations.
References in periodicals archive ?
He adds that his ceramics works fall into the category of organic abstraction and that recent works (some 5000 in number) "play on the biological speciation concept of adaptive radiation--a phenomenon in which some pioneering organism enters into a relatively untapped environment and differentiates wildly and rapidly while at the same time not departing too dramatically from its original form.
Although the latter differences probably result from isolation in disjunct glacial refugia and may reflect divergence times on the order of 105 years, they obviously do not represent biological speciation (Vainola et al.
Biological speciation has taken place in some instances and may be associated with some ecological differentiation, such as in salinity tolerance, but even this divergence has probably arisen on a broader time scale than that in the Caspian Sea.