Exotic species dominate many communities; however the functional significance of species’ biogeographic origin remains highly contentious. This debate is fuelled in part by the lack of globally ...

On the Origin of Species. Introduction. When on board H.M.S. Beagle, as naturalist, I was much struck with certain facts in the distribution of the inhabitants of South America, and in the ...

2009 is the 150th anniversary of the publication of "On the Origin of Species." As with many original sources, it is known mostly by reputation but Darwin's writing can still offer surprises ...

That such closely related species may be only varieties of higher grade, earlier origin, or more favored evolution, is not a very violent supposition. Anyhow, it was a supposition sure to be made. 3.

On the origin of our species Even after it became clear that hominins originated in Africa, it was still uncertain where our species, Homo sapiens , began. By the 1980s, paleoanthropologists had ...

the origin of species.; on the origin of species by means of natural selection or the preservation of favored races in thestruggle for life. by charless darwin,m.a., etc. london, john murry ...

Of these groups, six species are found on Madagascar, one is found across continental Africa and another is found only in northwestern Australia. But only one of those locations is the true origin ...

The confusion got sorted out in utterly arbitrary fashion, with the Old World species taking the name guinea fowl and the newcomers winning sole English-language possession of the word turkey ...

Conclusion of 'On the Origin of Species' Authors of the highest eminence seem to be fully satisfied with the view that each species has been independently created. To my mind it accords better ...

Charles Darwin's Origin of Species turns 150 today.Ignoring the evolution-versus-creation non-controversy and simply treating evolution as the philosophical phenomenon that it is, it's fair to ...

At one time there were as many as 57 species of honeycreepers. This is certainly not the first time living creatures have taken the dramatic evolutionary pathway known as adaptive radiation .