Origins of the SpeciesORIGINS OF THE SPECIES A deep look at the sources of what we make and use. THE NATURE OF...Tatu, Robin
ORIGINS OF THE SPECIES 来自 掌桥科研 喜欢 0 阅读量: 6 作者: WB Arthur 摘要: A deep look at the sources of what we make and use. AS A NOTED ECONOMIST who first trained as an engineer, W. Brian Arthur has long been intrigued by complex systems. Indeed, he helped pioneer the study...
肇造，释义是指“始建”。区夏，意思是诸夏之地，指华夏、中国。句子来源是“用肇造我区夏，越我一...
The Qinghai-Tibet Plateau is characterized by a high number of endemic plant species. The statistics showed that there are more than 20 percent of the 12,000 species of vascular plants on the Plateau, which are found nowhere else in the world. The Plateau is regarded as an evolutionary cradl...
latipes, suggesting that the sex chromosomes in O. javanicus are not homologous to those in any other Oryzias species. Fluorescence in-situ hybridization analysis confirmed that the ZW sex chromosomes of O. javanicus and O. hubbsi are not homologous 展开 ...
are thought to have evolved from a northern population of brown bears that learned to hunt seals out on the sea ice. As for the rapid evolution and widespread dispersal, one must remember that the arctic fox is no ordinary species when it comes to both reproductive efficiency and migratory te...
Background The order Hymenoptera (bees, ants, wasps, sawflies) contains about eight percent of all described species, but no analytical studies have addressed the origins of this richness at family-level or above. To investigate which major subtaxa experienced significant shifts in diversification, ...
出版社:Rowman & Littlefield Pub Inc 出版年:2002-10 页数:288 定价:$ 100.57 装帧:HRD ISBN:9780742507647 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 内容简介· ··· In Species of Origins, Karl W. Giberson and Donald A. Yerxa examine America's controversial conversation...
However, domestication has also had negative impacts on the environment, as it has led to the loss of genetic diversity, the degradation of ecosystems, and the extinction of wild species. In conclusion, the origins of plant and animal domestication are a fascinating topic that has been studied ...
Origins of the Origin The Annotated Origin: A Facsimile of the First Edition of On the Origin of Species . Charles Darwin . Annotated by James T. Costa . Harvard University Press (Belknap), 2009. 576 pp., illus. $35.00 (ISBN 9780674032811 cloth). - ResearchGate DOI: 10.1525/bio.2009.59....