commensal

简明释义

英[kəˈmensl]美[kəˈmensl]

adj. 共生的；共餐的

n. 共生体；共生植物（或动物）

英英释义

单词用法

同义词

反义词

例句

1.Objective To study the resistant development of anticoagulant rodenticide in commensal rodents.

目的探讨家栖鼠对抗凝血灭鼠剂的抗药性变化。

2.Since 1986, the regularity has not changed because of extensive commensal rodent control campaign which has made the density of commensal rodent to decline obviously.

自1986年以来开展大规模灭鼠活动，并未改变此规律，但使家鼠密度显著下降。

3.Therefore, Chinese contemporary art images show pluralism, commensal and prosperous features.

中国当代艺术图像也因此呈现出了多元、共生、繁盛的面貌。

4.Conclusions: It was indicated that the resistances of anticoagulants to 2 sorts of commensal rodents were enhanced and there was a tendency that anticoagulants for rodents would get resistance.

结论：2种家栖鼠对抗凝血灭鼠剂耐药力增强，有产生抗药性的趋势。

5.Ecto commensal: a commensal organism that lives on the outer body surface of another organism.

外共生体：生活在另一种生物体外表的共生生物。

6.A commensal organism, especially an insect that lives in the nest or burrow of another species.

七鳃鳗隶属于圆口纲，是一类因营半寄生生活而引发机体显著特化的动物。

7.Commensal associations sometimes involve one species' obtaining food that is inadvertently exposed by another.

共生关系有时候表现为：一个物种寻觅的食物会经由另外一个物种不经意地暴露出来。

8.Conclusion Long term application of Anticoagulant rodenticides can result in the variation of community structure of commensal rodents.

结论长期持续使用抗凝血剂能导致鼠类种群结构的变化。

9.Objective To investigate indoor commensal rodent population structure in populated area, general institutions and emphasis institutions indoor in Wuhan.

目的了解武汉城区居民住宅、一般单位、重点单位室内家栖鼠种群构成。

10.The relationship between the clownfish and the sea anemone is a classic example of a commensal 共生的 interaction.

小丑鱼和海葵之间的关系是一个经典的共生的共生的互动例子。

11.Certain bacteria in the human gut are considered commensal 共生的 organisms that help with digestion.

人体肠道中的某些细菌被认为是共生的共生的生物，有助于消化。

12.In many ecosystems, commensal 共生的 species thrive by using resources without harming their hosts.

在许多生态系统中，共生的共生的物种通过不伤害宿主来利用资源而繁荣。

13.The remora fish is a well-known commensal 共生的 species that attaches itself to larger marine animals.

梭鱼是一种著名的共生的共生的物种，它附着在较大的海洋动物身上。

14.Some fungi form commensal 共生的 relationships with plants, aiding in nutrient absorption.

一些真菌与植物形成共生的共生的关系，帮助吸收养分。

作文

In the intricate web of life on Earth, relationships between different organisms can take many forms. Among these, the concept of a commensal is particularly fascinating. A commensal organism is one that lives in close association with another species, benefiting from this relationship while causing neither harm nor significant benefit to its host. This type of interaction can be observed in various ecosystems and serves as a crucial element in understanding ecological dynamics. One classic example of a commensal relationship is found in the relationship between barnacles and whales. Barnacles attach themselves to the skin of whales, gaining access to nutrient-rich waters as the whale swims through them. In this case, the barnacles benefit from the mobility of their host, allowing them to filter feed efficiently. On the other hand, the whale remains largely unaffected by the presence of the barnacles, illustrating the essence of a commensal relationship where one party benefits without harming the other. Another example can be seen in the relationship between pilot fish and larger predatory fish, such as sharks. Pilot fish swim alongside sharks, feeding on the leftovers from the shark's meals. While the pilot fish gain protection from potential predators by associating with the larger shark, the shark does not derive any direct benefit or detriment from their presence. This relationship highlights how commensal interactions can provide advantages to smaller organisms in the face of larger, more powerful ones. The study of commensal relationships extends beyond just marine life; it also plays a vital role in terrestrial ecosystems. For instance, certain epiphytic plants, like orchids, grow on the branches of trees. These plants gain access to sunlight and moisture without drawing nutrients from the tree itself. The tree, in turn, is not harmed by the presence of these epiphytes, emphasizing the non-parasitic nature of commensal interactions. Understanding commensal relationships is essential for ecologists and biologists as they explore the complexity of ecosystems. These relationships can influence biodiversity, species distribution, and even evolutionary processes. For example, the presence of commensal organisms can affect the population dynamics of host species, potentially leading to changes in community structure over time. Moreover, commensal relationships can have implications for human activities, particularly in agriculture and conservation efforts. Recognizing the roles of commensal organisms can help farmers develop sustainable practices that enhance crop yields while maintaining ecosystem health. Similarly, conservationists can focus on preserving habitats that support diverse commensal relationships, ensuring the resilience of ecosystems in the face of environmental changes. In conclusion, the concept of commensal organisms reflects the intricate interdependencies that characterize life on our planet. These relationships, often overlooked, play a significant role in maintaining the balance of ecosystems. By studying and understanding commensal interactions, we can gain valuable insights into the complexities of nature and the importance of preserving the delicate relationships that sustain life.

在地球上复杂的生命网络中，不同生物之间的关系可以采取多种形式。在这些关系中，commensal（共栖）这一概念尤其引人入胜。commensal生物是指与另一种物种密切相关联，受益于这种关系，同时对其宿主既不造成伤害也没有显著好处的生物。这种类型的相互作用可以在各种生态系统中观察到，并且在理解生态动态方面发挥着至关重要的作用。 一个经典的commensal关系的例子是桁架和鲸鱼之间的关系。桁架附着在鲸鱼的皮肤上，随着鲸鱼游动而获得丰富的营养水域。在这种情况下，桁架通过宿主的移动性受益，从而高效地进行滤食。而鲸鱼则对桁架的存在几乎没有受到影响，这体现了commensal关系的本质，即一方受益而另一方没有受到伤害。 另一个例子可以看到领航鱼与大型捕食鱼类（如鲨鱼）之间的关系。领航鱼在鲨鱼旁边游动，吃鲨鱼进餐后剩下的食物。虽然领航鱼通过与更大的鲨鱼相伴而获得了潜在捕食者的保护，但鲨鱼并未从它们的存在中获得任何直接的好处或损害。这种关系突显了commensal互动如何为较小的生物在面对更大、更强大的生物时提供优势。 commensal关系的研究不仅限于海洋生物，它在陆地生态系统中也起着重要作用。例如，某些附生植物，如兰花，生长在树木的枝条上。这些植物在不从树木本身提取养分的情况下获得阳光和水分。树木反过来并未因这些附生植物的存在而受到伤害，强调了commensal互动的非寄生性质。 理解commensal关系对生态学家和生物学家来说至关重要，因为他们探索生态系统的复杂性。这些关系可以影响生物多样性、物种分布，甚至是进化过程。例如，commensal生物的存在可能会影响宿主物种的人口动态，可能导致社区结构随时间发生变化。 此外，commensal关系可能对人类活动产生影响，特别是在农业和保护工作中。认识到commensal生物的作用可以帮助农民制定可持续做法，以提高作物产量，同时维护生态系统健康。同样，保护主义者可以专注于保护支持多样化commensal关系的栖息地，确保生态系统在环境变化面前的韧性。 总之，commensal生物的概念反映了我们星球上生命的复杂相互依存关系。这些常常被忽视的关系在维持生态系统的平衡方面发挥着重要作用。通过研究和理解commensal互动，我们可以获得关于自然复杂性的宝贵见解，以及保护维持生命的微妙关系的重要性。