Download Anthropoid Origins: New Visions by Callum F. Ross, Richard F. Kay PDF

By Callum F. Ross, Richard F. Kay

ISBN-10: 1441988734

ISBN-13: 9781441988737

ISBN-10: 1461347009

ISBN-13: 9781461347002

This moment version could be an edited quantity of curiosity to people who do learn and train in regards to the evolution of primates. It goals to express to primatologists, anthropologists, palaeontologists, and neuroscientists the newest reports of primate phylogeny, the anthropoid fossil list, the evolution of the primate visible approach, and the foundation of the anthropoid social structures. This name contains a CD-ROM and colour figures.

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Extra info for Anthropoid Origins: New Visions

Sample text

This rejection undoubtedly sterns from the percolation of the neo-Darwinian synthesis into prirnatology (Fleagle and Jungers, 1982, p. 204) , facilitated by one ofthe architects ofthis synthesis, George Gaylord Simpson. Simpson (1944) reconciled observations of apparent orthogenetic phenomena with the rnicroevolutionary mechanisms of population genetics, enabling Le Gros Clark to continue to Evolving Perspectives on Anthropoidea 13 interpret primate evolution in terms of trends, but with the driving force behind these trends being natural selection rather than orthogenesis.

Each radiation was characterized by its own distinctive features, and the explanations for the existence of these features necessarily differed from one radiation to another. Second, he emphasized the role of natural selection and the process of adaptation as the causal mechanisms responsible for the origin and diversification of higher taxa. Although Simpson did not specify the selective forces that drove the origins of the primate adaptive radiations, his contribution to modern primatology in general, and the study of anthropoid origins in particular, cannot be overstated.

For Simpson, higher taxa like Anthropoidea were "either made consistent with a reconstruction . of phylogeny or with phylogenetic processes likely to have produced an observable result-or both, for those approaches are closely and often inseparably related. In any case, the taxa reflect evolutionary factors involved in their origin and development ... " (Simpson, 1961, p. 221). Simpson identified "the most significant evolutionary factor in this connection" as adaptation (Simpson, 1961, p. 221).

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Anthropoid Origins: New Visions by Callum F. Ross, Richard F. Kay


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