K selection(redirected from K-selection) K selection or K-se·lec·tion (kā′sĭ-lĕk′shən) n. A form of selection that occurs in an environment at or near carrying capacity, favoring a reproductive strategy in which few offspring are produced. [From K, the constant for carrying...
what are k-selection and r-selection? 什么是k-选择和r-选择?(P111)相关知识点: 试题来源: 解析 答:r-选择种类具有所有使种群增长率最大化的特征: 快速发育,小型成体,数量多而个体小的后代,高繁殖能量分配,短的世代周期。 k-选择种类具有使种群竞争能力最大化的特征: 慢速发育,大型成体,数量少但体型大...
商标名称 快选顾家家居出品 K-SELECTION 国际分类 第20类-家具 商标状态 商标已注册 申请/注册号 28637016 申请日期 2018-01-11 申请人名称(中文) 顾家家居股份有限公司 申请人名称(英文) - 申请人地址(中文) 浙江省杭州市江干区经济技术开发区11号大街113号 申请人地址(英文) - 初审公告期号 1615 初审公告日...
分享到: K 选择 分类: 动物学|查看相关文献(pubmed)|免费全文文献 详细解释: 以下为句子列表: 分享到:
學號: 姓名: 一、簡述 r-selection 及 k-selection 物種之特性。 (2 分) 二、增加受精成功率的方式有哪些?(2 分) 三、很多生物其雌性體型遠大於雄性,在生殖策略上有何意義?(1 分) 四、迴游魚類其迴游的目的為何?(1 分) 五、河口和大洋的生物多樣性何者較高?原因為何?(2 分) 六、為何島嶼較大陸更...
學號:姓名: **一、簡述r-selection及k-selection物種之特性。(2分) 二、增加受精成功率的方式有哪些?(2分) 三、很多生物其雌性體型遠大於雄性,在生殖策略上有何意義?(1分) 四、迴游魚類其迴游的目的為何?(1分) 五、河口和大洋的生物多樣性何者較高?原因為何?(2分) 六、為何島嶼較大陸更易形成特有種?
网络K选择定则 网络释义 1. K选择定则 拉曼选择定则,Raman... ... ) Selection rule 选择定则 )K selection ruleK选择定则) superselection rule 超选择定则 ... www.dictall.com|基于5个网页
In r-type natural selection, mortality is relatively independent of genotype and population size due to the variable or unpredictable nature of the environment. In K-type selection, which occurs in fairly constant or predictable environments, individuals are favoured which have the best competitive abi...
Density-dependent genetic evolution was tested in experimental populations of Drosophila melanogaster subject for eight generations to natural selection under high (K-selection) or low (r-selection) population density regimes. The test consisted of determining at high and at low densities the per capita...
Besides these contributions, we also introduce a new selection-based dictionary learning algorithm with a locally constrained sparse representation, called K-Selection. Based on a set of comprehensive experiments, our algorithm has demonstrated better performance than alternatives reported in the recent ...