{"title":"The road less traveled: Phylogenetic perspectives in primatology","authors":"D. Rendall, A. Di Fiore","doi":"10.1002/EVAN.1360040205","DOIUrl":"https://doi.org/10.1002/EVAN.1360040205","url":null,"abstract":"Interest in phylogeny is increasing in many areas of evolutionary biology. One area of evolutionary anthropology that has not yet fully embraced this growth in phylogenetic thinking, however, is the study of primate behavior and ecology.1 The predominant framework for behavioral studies of primates over the last three decades has been socioecological. The goals have been to identify broad correlations between species' behaviors and current environmental conditions. As such, the socioecological approach has been largely nonhistorical, taking little account of phylogeny. In contrast, phylogenetic approaches view the behavior of contemporary taxa within an explicitly historical framework. Although socioecology has proven extremely productive, there are many reasons to think that research in primatology could be profitably supplemented by a phylogenetic perspective.2,3","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"118129373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Primate seed dispersal: Coevolution and conservation implications","authors":"C. Chapman","doi":"10.1002/evan.1360040303","DOIUrl":"https://doi.org/10.1002/evan.1360040303","url":null,"abstract":"Early studies of primates have demonstrated that many species rely heavily on fruit, and that primates constitute a large component of the frugivore biomass in tropical forests. Consequently, primates have long been thought to be important seed dispersers. It is only recently that studies have been conducted that have illustrated the complex nature of the interactions between fruit‐eating primates and their food trees. Such studies have raised questions as to the causes and conse‐quences of the intriguing differences between primate communities, the importance of other animals in the interactions (such as dung beetles and rodents that secon‐darily disperse seeds), how primate‐plant interactions evolve, and the significance of primates in forest regeneration and conservation. Since subsistence and com‐mercial hunting of primates has heavily impacted frugivore communities, but left the physical structure of the forest relatively unaltered, studies of primate seed dispersal have important implications for the future of forests where seed dispersers have declined or disappeared.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120177018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Lithic microwear analysis in archeology","authors":"J. Shea","doi":"10.1002/EVAN.1360010407","DOIUrl":"https://doi.org/10.1002/EVAN.1360010407","url":null,"abstract":"Stone tools are the most durable and ubiquitous residue of prehistoric hominid activity. For this reason, archeologists attempt to learn as much as possible about hominid behavior from the analysis of lithic artifacts. Lithic microwear analysis reconstructs aspects of stone‐tool use from patterned variation in the traces of microscopic wear on those tools. The analysis of lithic microwear traces has increased our understanding of how stone tools were used in contexts ranging from the early Pleistocene to the ethnographic present.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125074827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Functional morphology of the human chin","authors":"D. J. Daegling","doi":"10.1002/evan.1360010506","DOIUrl":"https://doi.org/10.1002/evan.1360010506","url":null,"abstract":"The protruding chin is an attribute that defines modern Homo sapiens to the exclusion of all other primates, including fossil hominids. The functional significance of the chin has been contemplated for most of the 20th century, but as yet no compelling functional argument for its evolution has withstood careful scrutiny. Consequently, the human chin is often cited as an example of a nonadaptive trait. Past attempts to explain the chin in a functional or mechanical context have failed, largely as a result of an incomplete understanding of in vivo masticatory biomechanics. When the morphology of the chin is considered in light of experimental data on mastication, its evolution can be interpreted as a consequence of recent changes in mandibular proportions that have altered the relative importance of different masticatory stresses. Hypotheses proposing that chin morphology is the result of sexual selection or spatial constraints may be untestable. As with arguments that posit no functional role for the chin, the credibility of these hypotheses has depended, to a large degree, on the refutation of previous biomechanical explanations.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"118237245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The stone age iceman from the Alps: The find and the current status of investigation","authors":"T. Sjøvold","doi":"10.1002/evan.1360010404","DOIUrl":"https://doi.org/10.1002/evan.1360010404","url":null,"abstract":"On September 19, 1991, a body protruding from glacial ice was discovered in the Alps between Austria and Italy. Considered a forensic case, and having been found on Austrian soil according to initial information, it was transported to the Department of Forensic Medicine in Innsbruck. Rumors about the body not being recent were readily confirmed, and news about the body and accompanying equipment immediately spread all over the world. The body itself was shown to be a natural mummy, as opposed to a corpse that has been embedded in glacial ice for some time, where soft tissue generally changes into grave wax (adipocere). The mummy was male and was remarkably well preserved. The preserved condition of his equipment and some organic material was astonishingly good. Isotope dating of the body by means of the 14C method has given an age of about 3,300 BC, or Late Stone Age. A survey of the border, however, revealed that the body was found just on the Italian side (within the autonomous province South Tyrol), and not as first assumed, in Austria (the province Tyrol). But according to an agreement between South Tyrol and the University of Innsbruck, the body will be kept at the Department of Anatomy in Innsbruck for a period of at least three years for research purposes. The research is to be carried out on an international basis, and the first symposium about the find was held in Innsbruck, June 3–5, 1992.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117096261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Developmental perspective on size change and allometry in evolution","authors":"B. Shea","doi":"10.1002/evan.1360010405","DOIUrl":"https://doi.org/10.1002/evan.1360010405","url":null,"abstract":"The evolution of changes in body size is one of the most important patterns in the history of life. Its importance arises from both the frequency of the pattern and the biological implications of size change itself, which affects myriad aspects of an organism's structure and function through well‐known scaling relationships. Yet relatively little attention has been focused on the underlying genetic and developmental controls of size change or their implications with regard to other morphological changes. Here, I review the endocrine growth axis and show that variation in several key growth‐control substances, particularly growth hormone (GH) and insulin‐like growth factor I (IGF I), is clearly linked to intraspecific differences in postnatal growth rates and terminal body size. I intentionally review a considerable amount of literature on nonprimate mammals because this research is vital to an understanding of the general topic. Research on human pygmies, giant transgenic mice, and other models of growth disturbances indicates that shifts in GH and/or IGF I levels not only yield the expected changes in terminal body size, but also result in simple truncations or extensions of underlying allometric patterns. These data provide a possible developmental basis for the common finding of ontogenetic scaling and coordinated transformations in series of closely related fossil or living species that differ in body size. At present, however, this must be viewed as a hypothesis that requires testing through interspecific analyses. A consideration of previous interpretations of the morphological distinctions of human pygmies and some other organisms demonstrates the novel information that a developmental perspective brings to morphological comparisons. Clearly, knowledge of the genetic and developmental controls of morphogenesis will greatly enhance our understanding of a multitude of evolutionary patterns, processes and mechanisms, for it is perturbations in these these controls that ultimately produce the raw material for evolutionary transformations.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128613000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Biological and cultural innovation in human evolution","authors":"I. Tattersall, R. Klein","doi":"10.1002/EVAN.1360010309","DOIUrl":"https://doi.org/10.1002/EVAN.1360010309","url":null,"abstract":"","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122327540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Life history and the evolution of human maturation","authors":"B. Smith","doi":"10.1002/EVAN.1360010406","DOIUrl":"https://doi.org/10.1002/EVAN.1360010406","url":null,"abstract":"The Taung child, like fossils of other individuals who died before reaching adulthood, is a piece of the puzzle of the evolution of human growth and development, the puzzle of when, how, and why human “life history” evolved into its modern form. With regard to Taung, interest focuses on both its rate of growth (maturation of the child in relation to its age) and its pattern of growth (synchrony of the elements of maturation). The meaning of rates and patterns of growth, as well as the interpretation of maturation of Taung or any other fossil mammal, are best understood through the broad perspectives provided by comparative study of mammalian life history and the techniques of allometry.","PeriodicalId":321397,"journal":{"name":"Evolutionary Anthropology: Issues","volume":"76 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131029447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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