Evolutionary stasis is fairly common at the higher levels of the Linnaean system of biological classification.
在林耐生物分类系统的高等类别中进化停滞现象是相当普遍的。
The results showed:(1) Through studying on biological characters studying of 12 Gladiolus cultivars, the phenomena of homonym, unscientific classification and genetic relation confusion.
通过对唐菖蒲12个品种生物学特性的研究，发现唐菖蒲存在同名异物现象，分类不科学，亲缘关系不清等现象。
Objective to introduce biological features, classification, distribution of the heat shock proteins (HSPs) and the influence on brain HSPs of some stress factors, and prospects of the application.
目的介绍热休克蛋白(hsp)的生物学特征、分类、分布及某些应激因素对脑hsp的影响，并对HSP的应用前景作一展望。
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