Macroevolution studies how taxonomic groups above the level ofspecies change.
宏观进化在物种的层面之上，研究分类种群的变化。
The ecological risk of DDT to different taxonomic groups was in the descending order of insects, crustaceans, and fishes.
DDT对无脊椎动物的风险最大，其次是甲壳类，对鱼类的风险最小。
"We discovered that, using Numbers from the higher taxonomic groups, we can predict the number of species," said Dalhousie researcher Sina Adl.
“我们发现，用较高层次的分类类群的数量，就可以推算出物种的数量。”戴尔·蒙斯大学的研究员Sina Adl说。
The taxonomic structure of two groups and taxa included in each of them are consistent with section division made by previous researches.
两个主要表征群的分类结构和各自所包含的类群基本相应于前人研究中本属两个组的属下处理。
The results suggest that the 18 populations could be classified into 4 groups corresponding to 4 taxonomic species. This is in conformity with the results of Q cluster analysis.
结果表明，18个居群可划分为4类，它们分别对应于现知的4个分类学种，而与数值分类学研究中的Q分析结果基本一致；
The results suggest that the 18 populations could be classified into 4 groups corresponding to 4 taxonomic species. This is in conformity with the results of Q cluster analysis.
结果表明，18个居群可划分为4类，它们分别对应于现知的4个分类学种，而与数值分类学研究中的Q分析结果基本一致；
应用推荐