Sentences with phrase «of sympatric speciation»

The species of wheat that we in the West use for bread only developed in the last few thousand years as a result of two episodes of sympatric speciation (different to selective breeding, but an agent of evolution none the less) and the various Shiraz, Char.donnay and Pinot Noir gra.pes we enjoy today, in the form of wine, were all developed and perfected in the last 100 years or so.

The species of wheat that we in the West use for bread only developed in the last few thousand years as a result of two instances of sympatric speciation (different to selective breeding, but an agent of evolution none the less).

Not exact matches

Because neither allopatric nor sympatric speciation require the extinction of the parent species.

There are three main ideas concerning the emergence of new species (Modes of Speciation), each based on the degree to which populations undergoing this process are geographically isolated from one another (allopatric speciation, sympatric speciation, parapatric spSpeciation), each based on the degree to which populations undergoing this process are geographically isolated from one another (allopatric speciation, sympatric speciation, parapatric spspeciation, sympatric speciation, parapatric spspeciation, parapatric speciationspeciation).

Sympatric speciation occurs when new species emerge without separation, such as the 13 species of Galapagos finch or Africa's cichlid fish.

«Exploitation of the same habitat, but key differences at important times of the year, suggests that competition between a single species works to preserve the different phenotypes we observed - whilst simultaneously creating the potential for so - called sympatric speciation, i.e. the potential for a new species to form without geographic isolation,» says Hawley.

Or they can evolve to mate in different places, for example on two different types of fruit, as in the example given above for sympatric speciation.