multicellular

简明释义

英[ˌmʌltiˈseljələ(r)]美[ˌmʌltiˈseljələr;ˌmʌltaɪˈselj

adj. [生物] 多细胞的；多空隙的

英英释义

单词用法

同义词

反义词

例句

1.The origin of multicellular forms of life seems a relatively simple step compared to the origin of life itself.

与生命本身的起源相比，多细胞生命形态的起源似乎是相对简单的一步。

2.Spore a unicellular or multicellular plant reproductive body.

单细胞或多细胞植物体的繁殖单位。

3.Tumor, as a whole, has multicellular drug resistance ( or multicelluar-meditated resistance ).

肿瘤组织，作为一个整体，常对化疗产生耐药。

4.Some species gather by the thousands to form multicellular bodies that can crawl.

一些种类的黏菌千上万个个体聚集起来，形成可以爬行的多细胞体。

5.He said multicellular organisms likely evolved in many places, but the fossils haven't yet been found.

他说多细胞生命可能在多处地点演化，只是其化石尚未被发现而已。

6.Cancer has probably existed ever since our first multicellular ancestors appeared on Earth hundreds of millions of years ago.

在我们最早的多细胞生物祖先于数亿年前在地球上出现时，癌症可能就已经存在。

7.Summary: In the animal world, many multicellular animals have cancer but sharks never get cancer.

在生物界中，只有多细胞动物得癌症。偏偏沙鱼不得癌症。

8.Some algae can be multicellular, demonstrating the diversity of life forms in aquatic environments.

一些藻类可以是多细胞的，展示了水生环境中生命形式的多样性。

9.Certain fungi are also multicellular, forming large structures like mushrooms.

某些真菌也是多细胞的，形成像蘑菇这样的巨大结构。

10.The study of multicellular organisms helps scientists understand how different systems interact within a living being.

对多细胞生物的研究帮助科学家理解不同系统在生物体内如何相互作用。

11.Plants are primarily multicellular, allowing them to perform complex functions like photosynthesis.

植物主要是多细胞的，使它们能够执行复杂的功能，如光合作用。

12.Humans are classified as multicellular organisms because they consist of many cells working together.

人类被归类为多细胞生物，因为他们由许多细胞共同工作。

作文

In the vast realm of biology, organisms are classified into two main categories: unicellular and multicellular organisms. The term multicellular (多细胞的) refers to organisms that are composed of multiple cells, which work together to perform various functions necessary for survival. This complexity allows multicellular organisms to exhibit a wide range of characteristics and behaviors that are not possible in their unicellular counterparts. One of the most fascinating aspects of multicellular life is the specialization of cells. In multicellular organisms, cells can differentiate into various types, each with specific roles. For instance, in humans, we have muscle cells that facilitate movement, nerve cells that transmit signals, and blood cells that transport oxygen. This specialization enables multicellular organisms to develop intricate systems that enhance their ability to adapt to different environments and challenges.Moreover, the evolution of multicellular organisms has had a profound impact on the planet. From the simplest forms of life, such as algae, to complex beings like elephants and whales, the diversity of multicellular organisms has shaped ecosystems and influenced the course of evolution. These organisms play crucial roles in their habitats, contributing to nutrient cycles, food webs, and overall ecological balance.The transition from unicellular to multicellular life is one of the significant milestones in the history of life on Earth. Scientists believe that this transition began over a billion years ago, when certain unicellular organisms started to form colonies. Over time, these colonies evolved into more complex structures, leading to the emergence of true multicellular organisms. This process likely involved genetic changes that allowed for cell communication and cooperation, paving the way for the sophisticated life forms we see today.In addition to their biological significance, multicellular organisms also have important implications for medicine and biotechnology. Understanding how cells interact and function within a multicellular organism can lead to breakthroughs in treating diseases, developing new therapies, and even regenerative medicine. For example, research into stem cells, which have the potential to develop into any type of cell within a multicellular organism, holds promise for repairing damaged tissues and organs.Furthermore, the study of multicellular organisms helps scientists comprehend the complexities of life itself. By exploring how different cells communicate and coordinate their activities, researchers can gain insights into fundamental biological processes. This knowledge is essential for addressing global challenges, such as food security, environmental conservation, and health care.In conclusion, the concept of multicellular (多细胞的) organisms encompasses a vast array of life forms that exhibit remarkable complexity and specialization. From their evolutionary history to their role in ecosystems and their importance in scientific research, multicellular organisms are integral to our understanding of life on Earth. As we continue to explore the mysteries of biology, the study of multicellular life will undoubtedly reveal even more about the intricacies of living systems and their interconnections within the biosphere.

在生物学的广阔领域中，生物体被分为两大类：单细胞生物和多细胞的生物。术语多细胞的（multicellular）指的是由多个细胞组成的生物，这些细胞共同工作以执行生存所需的各种功能。这种复杂性使得多细胞的生物表现出许多单细胞生物无法实现的特征和行为。多细胞的生命中最迷人的一个方面是细胞的专业化。在多细胞的生物中，细胞可以分化为不同类型，每种细胞都有特定的角色。例如，在人类中，我们有促进运动的肌肉细胞、传递信号的神经细胞和运输氧气的血细胞。这种专业化使得多细胞的生物能够发展出复杂的系统，从而增强它们适应不同环境和挑战的能力。此外，多细胞的生物的进化对地球产生了深远的影响。从最简单的生命形式，如藻类，到复杂的生物，如大象和鲸鱼，多细胞的生物的多样性塑造了生态系统并影响了进化的进程。这些生物在其栖息地中发挥着至关重要的作用，为营养循环、食物链和整体生态平衡作出贡献。从单细胞到多细胞的生命的过渡是地球生命历史上的一个重要里程碑。科学家认为，这一过渡始于超过十亿年前，当时某些单细胞生物开始形成群落。随着时间的推移，这些群落演变成更复杂的结构，导致真正的多细胞的生物的出现。这个过程可能涉及遗传变化，使细胞之间能够进行沟通与合作，为我们今天看到的复杂生命形式铺平了道路。除了生物学意义之外，多细胞的生物在医学和生物技术上也具有重要意义。理解细胞在多细胞的生物体内如何相互作用和运作，可以带来治疗疾病、新疗法甚至再生医学的突破。例如，干细胞研究具有将其发展为多细胞的生物体内任何类型细胞的潜力，这为修复受损的组织和器官提供了希望。此外，研究多细胞的生物有助于科学家理解生命本身的复杂性。通过探索不同细胞如何沟通和协调活动，研究人员可以获得关于基本生物过程的见解。这些知识对于解决全球性挑战，如粮食安全、环境保护和医疗保健至关重要。总之，多细胞的（multicellular）生物的概念涵盖了众多表现出显著复杂性和专业化的生命形式。从它们的进化历史到它们在生态系统中的角色，以及在科学研究中的重要性，多细胞的生物是我们理解地球生命的不可或缺的一部分。随着我们继续探索生物学的奥秘，对多细胞的生命的研究无疑会揭示出更多关于生物系统的复杂性及其在生物圈内的相互联系。