| 书目名称 | Social Insects | | 副标题 | An Evolutionary Appr | | 编辑 | Wolf Engels | | 视频video | http://file.papertrans.cn/870/869569/869569.mp4 | | 图书封面 |  | | 描述 | Evolution of Castes in Insects l BERNHARD RENSCH The evolution of organisms in the succession of generations has been primarilly achieved through the appearance of new hereditary variants with minor deviations along with the development of stable structures and functions. Harmful mutants were eradicated either immediately or in the subsequent generations through the process of natural selection while unharmful or advantageous ones usually survived. As this process continued, many new races and species developed which possessed structures and functions of a rational nature and which became increasingly independent from their environment. These evolutionary tendencies were also promoted through either geographical, ecological, physiological or genetical isolation of populations. In some phylogenetic lines, there occurred an increase in the number of cells due to additional cellular divisions in the morphogenesis of structures. This opened up the possibility for the development of the division of labour within cellular groups leading to more complicated and consequently more successful functions of tissues and organs. A further advancement in the adaptation of a species to its environ | | 出版日期 | Book 1990 | | 关键词 | Bienen; Insekten; Sozialverhalten; Sozioevolution; Termiten; development; ethology; evolution; insects; perce | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-642-74490-7 | | isbn_softcover | 978-3-642-74492-1 | | isbn_ebook | 978-3-642-74490-7 | | copyright | Springer-Verlag Berlin Heidelberg 1990 |
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