phylum

简明释义

英[ˈfaɪləm]美[ˈfaɪləm]

n. 门（分类）；语系

复 数 p h y l a

英英释义

单词用法

同义词

反义词

例句

1.Oomycetes in Ningxia were investigated and classified. It was found that there were 67 species, hosting in 176 plants, respectively, which belonged to 1 phylum, 1 class, 4 families, 10 genera.

对隶属于藻物界卵菌门卵菌纲的宁夏卵菌进行了初步整理，共发现卵菌有1门1纲4目6科10属67种，分别寄生于176种植物上，引起植物病害或腐生于土壤中。

2.A phylum of Eubacteria contains the true actinobacteria and the coryneform bacteria.

一门真细菌包含真放线菌以及棒状杆菌。

3.Since Korea and China have a long culture communication history and belong to the same language phylum, they share many general features on both meaning and expressions.

由于韩中两国的文化交流历史比较悠久，又同属于汉字文化圈，因此在惯用语的语义和表现形态上表现出很多共性。

4.Based on a quantitative poly-phylum marker species analysis, 9 FAD and LADevents were found in Cores 17957 and 17959 from the South China Sea.

根据南沙深水区17957和17959两柱状样多门类的生物事件研究，发现9个生物事件。

5.One of the main reasons is that in the same phylum there are different dialects.

之所以如此，其中很重要的一点是与语系同一、方言各异有着密切的关系。

6.Sanford isactually a little crestfallen because he can't find a peanut worm, an odd thingin the phylum Sipuncula that would give us an even ten.

事实上，斯坦福有点沮丧，因为他没能找到星虫，一种属于星虫动物门的奇怪动物，如果能找到，那么发现的动物种类将正好是十个。

7.Any of various small aquatic animals of the phylum Bryozoa that reproduce by budding and form mosslike or branching colonies permanently attached to stones or seaweed.

苔藓虫苔藓虫门的小型水生动物，通过芽生繁殖，形成象苔藓一样的分支群体，一直附着在石头或海草上。

8.Actinobacteria (ray fungi; actinomycetes) A phylum of Eubacteria that contains the true actinobacteria and the coryneform bacteria.

一门真细菌包含真放线菌以及棒状杆菌。

9.The animal kingdom is divided into several major groups, with each group classified as a different phylum.

动物界被分为几个主要的群体，每个群体被分类为不同的门。

10.In biology class, we learned that the phylum Chordata includes all animals with a backbone.

在生物课上，我们了解到脊索动物门包括所有具有脊椎的动物。

11.The classification of organisms starts at the domain level and goes down to phylum.

生物的分类从域级开始，一直到门。

12.Mollusks belong to the phylum Mollusca, which includes snails and octopuses.

软体动物属于软体动物门，包括蜗牛和章鱼。

13.The study of phylum Echinodermata helps us understand marine ecosystems better.

对棘皮动物门的研究帮助我们更好地理解海洋生态系统。

作文

In the study of biology, the classification of living organisms is essential for understanding the diversity of life on Earth. One of the fundamental ranks in this classification system is called phylum, which is a taxonomic category that groups together organisms that share a common body plan or significant structural characteristics. The concept of phylum is pivotal in the field of taxonomy, which is the science of naming, describing, and classifying organisms. To illustrate the importance of phylum, consider the animal kingdom. Animals are classified into various phyla, with each phylum encompassing a wide range of species that exhibit similar anatomical features. For instance, the phylum Chordata includes all animals that possess a notochord at some stage of their development. This group includes mammals, birds, reptiles, amphibians, and fish, showcasing the incredible diversity of life forms that share a fundamental characteristic. On the other hand, the phylum Arthropoda includes invertebrates such as insects, arachnids, and crustaceans. Organisms within this phylum are characterized by their segmented bodies, exoskeletons, and jointed appendages. The classification into phyla allows scientists to study evolutionary relationships and ecological roles, providing insights into how different organisms adapt to their environments. The concept of phylum is not limited to animals; it also extends to the plant kingdom. For example, the phylum Angiosperms includes flowering plants that produce seeds enclosed within a fruit. This phylum is vital for ecosystems as it provides food and habitat for numerous organisms. Similarly, the phylum Bryophyta consists of mosses and liverworts, which play significant roles in soil formation and moisture retention. Understanding the phylum classification helps researchers and students alike to grasp the vastness of biodiversity and the evolutionary history of life on Earth. It serves as a framework for organizing biological knowledge, making it easier to study relationships among different organisms and their adaptations over time. Furthermore, this classification aids in conservation efforts, as recognizing different phyla can help prioritize species and habitats that need protection. In conclusion, the term phylum represents a critical level of biological classification that connects diverse organisms through shared characteristics. Whether in the animal or plant kingdom, phylum highlights the intricate relationships that exist among living beings. By studying phyla, we can deepen our understanding of the natural world and work towards preserving its remarkable diversity for future generations. The role of phylum in taxonomy cannot be overstated, as it lays the groundwork for biological research and education, ultimately enriching our appreciation of life itself.

在生物学研究中，生物体的分类对于理解地球上生命的多样性至关重要。这个分类系统中的一个基本等级被称为门，它是一个分类学类别，将具有共同身体结构或显著结构特征的生物归为一组。门的概念在分类学领域中至关重要，分类学是命名、描述和分类生物的科学。 为了说明门的重要性，我们可以考虑动物王国。动物被分为各种门，每个门包含一系列具有相似解剖特征的物种。例如，门脊索动物门包括所有在其发育阶段具有脊索的动物。这个群体包括哺乳动物、鸟类、爬行动物、两栖动物和鱼类，展示了共享基本特征的生命形式的巨大多样性。 另一方面，门节肢动物门包括无脊椎动物，如昆虫、蛛形纲动物和甲壳类动物。这个门内的生物以其分段的身体、外骨骼和关节附肢为特征。将生物分类为门使科学家能够研究进化关系和生态角色，提供了对不同生物如何适应其环境的见解。 门的概念不仅限于动物；它也扩展到植物王国。例如，门被子植物门包括产生包裹在果实中的种子的开花植物。这个门对生态系统至关重要，因为它为众多生物提供食物和栖息地。同样，门苔藓植物门由苔藓和肝苔组成，在土壤形成和水分保持方面发挥着重要作用。 理解门分类有助于研究人员和学生更好地掌握生物多样性的广度以及地球生命的进化历史。它作为组织生物知识的框架，使得研究不同生物之间的关系及其随时间的适应变得更加容易。此外，这种分类有助于保护工作，因为识别不同的门可以帮助优先考虑需要保护的物种和栖息地。 总之，术语门代表了一种关键的生物分类级别，通过共享特征将多样的生物连接在一起。无论是在动物还是植物王国，门突显出生物之间存在的复杂关系。通过研究门，我们可以加深对自然世界的理解，并努力保护其惊人的多样性，以供后代享用。门在分类学中的作用不容小觑，因为它为生物研究和教育奠定了基础，最终丰富了我们对生命本身的欣赏。