DNA analysis and morphological evidence support recognition of the red Wolf as a distinct species. (See Wolves: Behavior, Ecology, and Conservation - Chapter 9).
DNA分析和形态学有力的支持力了红狼是个异种这一假说。
Water flow can affect structure of the community and species distribution, as well as the production, metabolic processes and morphological characteristics of macrophytes.
水流不仅能影响水生植物群落结构和物种分布,还能影响其繁殖传播、新陈代谢过程和形态特征。
The article reports the plant morphological, phirmacognostical, histological characters and chemical constituents of 17 Species of medicinal plants from genus Polygonatum.
本文对黄精属17种药用植物从植物形态、生药性状、组织特征以及化学成分等进行了系统的比较研究;
The 9 Lespedeza species were classified into 4 groups, which is not consistent with the morphological classification.
结果表明:9种胡枝子可以聚为4类,与形态学分类结果并不完全一致。
This paper deals with the species diagnosis and morphological characteristics of the citrus buprestid beetle Agrilus inamoenus Kerremans.
本文鉴定描述一种柑桔吉丁虫——柑桔缠皮虫的学名、形态特征。
Many factors such as morphological parameters, specimen species and applied electric field affect space charge properties of polyethylene under high electric field.
微观形态、试品种类、外加电场等因素都会影响高场强下聚乙烯空间电荷特性。
Morphological characteristics, utilization significance of 20 important species a-mong these resource plants were introduced in detail and others were introduced in brief.
较详细报道了其中20种重要资源植物的形态特点、利用价值和使用方法。对其余种类作了概括介绍。
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。
Morphological characters of every species are described.
并对每种的形态特征进行了描述。
The present paper deals with the edible lichen resources in China. The morphological characteristics, geographical distribution and cooking application of most species are described.
对我国的食用地衣类的种类资源情况进行了探讨,并对其中大多数种类的形态特点、地理分布和烹饪运用情况进行了描述。
Feeding morphological characters of several species of typical freshwater predatory fishes were studied by means of general dissection, micro dissection and tissue sections.
运用大体解剖法、显微解剖法、组织切片法等方法研究了几种典型淡水肉食性鱼类的摄食形态学特征。
Due to spatial variation of selection regime, morphological, physiological and life history traits of widely-distributed species may vary genetically among geographic populations.
在自然选择压力空间变化的作用下,广布种的形态、生理和生活史特征往往在不同地区的种群间发生地理变异。
Conclusion: the secretory structures may be as anatomical evidences for the morphological and histological identification of 20 medicinal species in Hypericum.
结论:该属的内部分泌结构和解剖特征可以作为这20种药用植物的显微鉴别指标。
Method: Morphological and anatomical study on the organs of 20 medicinal species in Hypericum using tissue clearing, paraffin sectioning and thin sectioning.
方法:用整体透明法、石蜡制片法和半薄切片法对20种药用金丝桃属植物不同器官进行形态解剖学研究。
The distribution, habitats, morphological characteristics and growth properties of wild Morchella species in the Qinba Mountain area are described.
调查了秦岭巴山地区的野生羊肚菌种类及其分布、生态环境和生长方式。
They can be identified from the morphological characteristics, microscopic characteristics, and its original species to let us use the herb carefully and exactly.
本文主要从性状特征、显微特征、原植物形态进行鉴别,为用药的准确性提供科学依据。
The morphological characteristic, biology, habitat, host and distribution data on two species of mites found on the egg pouch of American cockroach Periplaneta American l.
记述美洲大蠊卵鞘上发现的两种螨类的形态、生物学、寄主或栖息地和国内分布等。
These intermediate individuals were hypothesized to be the hybrids of two species after a careful evaluation of their morphological characters.
经形态变异研究后发现它们可能是这两个物种之间的杂交后代。
Using morphological characteristics, root-shoot ratio, anatomical structure of leaves, leaf water holding and WSD analyzed the water holding ability of 11 tree species.
从形态特征、根冠比、叶片解剖构造、叶片保水力、水分饱和亏等方面分析了11个树种对干旱的适应性特征。
Objective: to provide anatomical evidences for the morphological and histological identification of 20 medicinal species in Hypericum.
目的:为20种药用金丝桃属植物的显微鉴定提供解剖学依据。
Some morphological terms are proposed for the first time, and a key to 6 species of Agromyza applied by the characteristics of stridulatory file is given.
首次提出了多个形态用语,并试以音锉分类为6种潜蝇作出检索表。
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。
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 showed that this species had evolved the obviously morphological and anatomical characteristics to adapt to gale, frozen and drought stress in the alpine region.
结果表明,在长期的进化过程中该物种在结构上具有明显抵御大风、低温、干旱等逆境的内在适应特征。
In his paper, Haeckel drew by hands the morphological features of early embryos of several animal species.
在这篇论文里,海克尔用手笔画下了他所观察到的多种动物早期胚胎的形象。
Objective:To Observe the morphological characteristics of the leaf epidermis of 9 Chinese species of genus Murraya and prepare and index for their differentiation.
目的:对九里香属9 种植物叶表面的微细特征进行了比较观察,并给出了分种检索表。
The morphological and biological characteristics of this species were investigated both in the field and laboratory.
结合野外调查和室内饲养的方法,对紫斑谷螟的形态特征和生物学特性进行了较为系统的研究。
The morphological and biological characteristics of this species were investigated both in the field and laboratory.
结合野外调查和室内饲养的方法,对紫斑谷螟的形态特征和生物学特性进行了较为系统的研究。
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