celled

简明释义

英[seld]美[seld]

含有某种或若干小细胞的

英英释义

单词用法

同义词

反义词

例句

1.He reasoned that some single-celled creatures are known to enter a hibernation-like state and survive for years with no air or food.

他推断，已知的一些单细胞生物进入类似冬眠的状态，在没有空气和食物的情况下存活数年。

2.Some phytoplankton are bacteria, some are protists, and most are single-celled plants.

有些浮游植物是细菌，有些是原生生物，而大多数则是单细胞植物。

3.VIEWED from humanity's lofty heights, single-celled creatures are the scum of the earth.

从人类的高度来看，单细胞生物是地球上的浮渣。

4.In the 1970s, Todd Hennessey claimed that paramecia, the single-celled pond dweller, could be conditioned in the lab.

20世纪70年代，托德·亨尼西(ToddHennessey)声称，单细胞池塘居民草履虫，可以达到实验室要求的条件。

5.FOR its supporters, the idea of growing single-celled algae on exhaust gas piped from power stations is the ultimate in recycling.

对于其支持者来说，在发电厂的废气排放管道上种植单细胞藻类是再循环的根本途径。

6.The single-celled photosynthetic organisms produce much of the oxygen on earth and are the base of the marine food chain.

地球上多数的氧气都是这些单细胞光合作用的生命制造的，他们还是海洋食物链的基础。

7.The researchers studied the celled tissues under a microscope to understand their functions.

研究人员在显微镜下研究了细胞组织，以了解其功能。

8.The scientists discovered a new type of celled organism in the ocean.

科学家在海洋中发现了一种新类型的细胞生物。

9.Certain celled organisms can reproduce rapidly under optimal conditions.

某些细胞生物在最佳条件下可以迅速繁殖。

10.This plant has a unique celled structure that allows it to thrive in harsh environments.

这种植物具有独特的细胞结构，使其能够在恶劣环境中生存。

11.The celled structure of the sponge allows it to filter water efficiently.

海绵的细胞结构使其能够有效过滤水。

作文

In the world of biology, the term celled refers to the structural organization of living organisms. Organisms can be classified based on the number of cells they possess. For instance, a single-celled organism, or unicellular organism, consists of only one cell, which carries out all necessary functions for survival. Examples include bacteria and amoebas. On the other hand, multicellular organisms, which are composed of many celled structures, exhibit a higher level of complexity. These organisms, such as humans, plants, and animals, have specialized cells that perform distinct roles, contributing to the overall functioning of the organism.Understanding the concept of celled organisms is crucial in various fields of science. In medicine, for example, recognizing how different types of cells interact can lead to advancements in treatments for diseases. Cancer, for instance, originates from abnormal celled growths that disrupt normal bodily functions. By studying the characteristics of these cells, researchers can develop targeted therapies that specifically attack cancerous cells while minimizing damage to healthy ones.Moreover, the study of celled organisms extends beyond human health. In agriculture, understanding plant cells can lead to improved crop yields and resistance to pests. Genetic engineering techniques allow scientists to modify specific genes within plant cells, creating varieties that are more resilient and productive. This knowledge is vital for addressing food security challenges in a growing global population.The diversity of celled life forms also plays a significant role in ecological balance. Different organisms interact within ecosystems, forming complex relationships that sustain life. For example, plants (multicellular celled organisms) produce oxygen through photosynthesis, which is essential for the survival of animals (also multicellular). Conversely, animals contribute to the nutrient cycle by decomposing organic matter, which enriches the soil for plants. This interdependence highlights the importance of preserving biodiversity, as the extinction of a single celled species can have far-reaching effects on the entire ecosystem.In conclusion, the term celled encapsulates a fundamental aspect of life on Earth. Whether discussing the simplicity of unicellular organisms or the complexity of multicellular ones, understanding the implications of cellular organization is essential across various scientific disciplines. From breakthroughs in medicine to innovations in agriculture, the study of celled organisms continues to shape our understanding of life and its intricate connections. As we advance our knowledge, it is imperative to appreciate the delicate balance that exists within our ecosystems and strive to protect the diverse forms of life that inhabit our planet.

在生物学的世界中，术语celled指的是生物体的结构组织。生物可以根据它们所拥有的细胞数量进行分类。例如，单细胞生物或称为单细胞生物，仅由一个细胞组成，该细胞执行生存所需的所有必要功能。例子包括细菌和变形虫。另一方面，多细胞生物，由许多celled结构组成，表现出更高的复杂性。这些生物，如人类、植物和动物，具有执行不同角色的特化细胞，有助于生物体的整体功能。理解celled生物的概念在各个科学领域都是至关重要的。在医学中，例如，认识到不同类型的细胞如何相互作用可以推动疾病治疗的进步。癌症就是一个例子，它源于异常的celled生长，干扰正常的身体功能。通过研究这些细胞的特征，研究人员可以开发针对癌细胞的靶向治疗，同时将对健康细胞的损害降到最低。此外，celled生物的研究不仅限于人类健康。在农业中，了解植物细胞可以提高作物产量和抗虫害能力。基因工程技术使科学家能够修改植物细胞中的特定基因，创造出更具抗逆性和生产力的品种。这一知识对于解决日益增长的全球人口面临的粮食安全挑战至关重要。celled生命形式的多样性在生态平衡中也发挥着重要作用。不同的生物在生态系统中相互作用，形成维持生命的复杂关系。例如，植物（多细胞celled生物）通过光合作用产生氧气，这对动物（也是多细胞生物）的生存至关重要。相反，动物通过分解有机物质来促进养分循环，从而丰富土壤供植物使用。这种相互依赖关系突显了保护生物多样性的重要性，因为单一celled物种的灭绝可能对整个生态系统产生深远影响。总之，术语celled概括了地球生命的一个基本方面。无论是讨论单细胞生物的简单性还是多细胞生物的复杂性，理解细胞组织的意义在各个科学学科中都是必不可少的。从医学突破到农业创新，对celled生物的研究继续塑造我们对生命及其复杂联系的理解。随着我们知识的进步，必须欣赏我们生态系统中存在的微妙平衡，并努力保护栖息在我们星球上的多样生命形式。