The temptation to recognize apomictic microspecies(agamospecies)as taxonomic species is far greater .
把无融合生殖小种(无性种)作为分类学上的种来承认,这点具有更大的迷惑性。
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;
A drifting soup of microscopic algae, creatures and bacteria, they are not even one group of species but bridge entire taxonomic kingdoms.
它们是由细微的藻类、生物和细菌组成的漂流汤,甚至算不上一组物种,但是却连接起了整个分类王国。
While some have suggested that genetic "hair-splitting" has inflated the number of new species, recent studies have shown that "taxonomic inflation" is the exception, not the rule.
尽管有些人认为,基因上的“吹毛求疵”带来了太多的新物种,但最近的研究显示,分类学上的“通货膨胀”只是例外,并非常态。
Maybe, he says, the attention will inspire a "taxonomic moon-shot," a worldwide race to find new species.
或许,对新物种的关注能促成一次“分类学登月计划”,引发全球范围内发现新物种的竞赛。
"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 classification of the species has long been the subject of an ongoing debate.
此物种的分类学分类长期是争论的话题。
A taxonomic group, especially a genus or species, chosen as the representative example in characterizing the larger taxonomic group to which it belongs.
类,门:生物分类的组合,尤指属或种类,选作有其所属的更大生物分类组合的特点的典型例子。
The results show that the leaf epidermis micro-morphological characteristics have taxonomic significance at species level.
结果表明:该亚属植物叶表皮微形态特征在种的水平上具有一定的分类学意义。
For those species with uncertainity of taxonomic status the principal component analysis was conducted for morphometric measurements.
对分类上存在疑问的种或亚种的测量数据进行了主成分分析。
A taxonomic subdivision of a species consisting of naturally occurring or selectively bred populations or individuals that differ from the remainder of the species in certain minor characters.
变种:一个种类的细小分支,由自然发生或选择繁殖的群体或个体而组成,在一定的较小的特点上不同于此类的剩余者。
Simultaneously, in 1935 Dobzhansky began the fundamental task of reformulating the taxonomic and morphological term "species" to bring it into line with evolutionary theory.
同时,杜布赞斯基在1935年开始的根本任务重新分类和形态的“种”,以使其符合进化理论。
A taxon is any taxonomic grouping, such as a phylum, a family or a species.
分类群是指任何一个分类学上的类群,如门、科或种。
A taxonomic subdivision of a species consisting of naturally occurring or selectively bred populations or individuals that differ from the remainder of the species in certain minor characters.
变种一个种类的细小分支,由自然发生或选择繁殖的群体或个体而组成,在一定的较小的特点上不同于此类的剩余者。
OBJECTIVE To discuss the taxonomic status of Pueraria lobata and its sibling species DC. in China, and to provide DNA molecular markers for authenticating the Chinese crude drug Gegen.
目的探讨中药葛根及其近缘种的分类地位及系统发育关系,同时为葛根的指纹图谱鉴别提供分子标记。
China is one of the largest country in the world with varied topography and multiplex climate, so it is rich in ant species, but the completely taxonomic investigation is poor in most area.
我国国土面积宽广,地形复杂,气候多样,蚂蚁种类繁多,系统全面的区系研究在大部分地区还很薄弱。
The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.
结果表明:该属植物种子微形态特征在种的水平上具有分类学意义;同种的不同地方居群间基本类型一致,但也存在一定程度的变异。
The results show that the taxonomic importance of hind wing venation characters isn't stability in the genera level and species level in Callichromini.
结果表明,后翅翅脉特征在该族内具有稳定性,在属间和种间不具稳定性,后翅翅脉特征在绿天牛族属级和种级中分类意义不大。
The mites belong to the family Demodicidae, genus Demodex by taxonomic characteristics, but they are different from other species described before Further study would be needed.
据分类特征该螨应属于蠕形螨科、蠕形螨属,但某些形态特征与已见描述的该属中其他品种不同,有待于进一步观察研究。
Additionally, taxonomic revisions were presented for some species based on field observation and herbarium work.
此外,根据野外考察和标本馆工作,对几个明显的分类学问题进行了订正。
For many species, chromosome number is a useful taxonomic character.
对许多物种来说,染色体数目是重要的分类学特征。
According to the taxonomic system of Chen Bang-jie, there are 171 species of Dicranaceae plants, 31 genera belonging to 6 subfamilies in China.
据陈邦杰分类系统,中国曲尾藓科苔藓植物分六亚科,31属171种及亚种和变种。
According to the taxonomic system of Chen Bang-jie, there are 171 species of Dicranaceae plants, 31 genera belonging to 6 subfamilies in China.
据陈邦杰分类系统,中国曲尾藓科苔藓植物分六亚科,31属171种及亚种和变种。
应用推荐