protozoans

简明释义

英[ˌprəʊtəˈzəʊənz]美[ˌproʊtəˈzoʊənz]

n. [无脊椎]原生动物（protozoan 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Chitosan is material from deacetylation of chitin, which from arthropod, coelenterate, annelids, protozoans, part of algae and fungi.

壳聚糖是来源于节肢、肠腔、环节、原生动物及海藻和真菌类的甲壳素类物质脱去乙酰基的产物。

2.Tropical Parasitology: Protozoans, Worms, Vectors and Human Diseases.

热带寄生虫：原生动物，蠕虫，带菌者和人类疾病。

3.The tiny protozoans are believed to be the first animals to have appeared on earth.

人们认为小原生动物是首先出现在地球上的动物。

4.Mammals (including humans) cannot digest cellulose, but bacteria in the rumens of cattle and other ruminants and protozoans in the gut of termites produce enzymes that can break it down.

哺乳动物（包括人）不能消化它，但草食性动物以纤维素为食，食入后在其消化道内停留的时间很长，这样生活于其消化道内的微生物便得以将它消化。

5.The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.

某些原生动物或真菌中发生于或在单个细胞内细胞核的接合作用。

6.Especially in protozoans, vacuoles perform functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.

特别在原生动物细胞内，有贮存、摄取、消化、排泄及清除多馀水分等功能。

7.The study of protozoans 原生动物 can provide insights into evolutionary biology.

对原生动物的研究可以为进化生物学提供见解。

8.In freshwater ecosystems, protozoans 原生动物 play a crucial role in nutrient cycling.

在淡水生态系统中，原生动物在养分循环中起着至关重要的作用。

9.Some species of protozoans 原生动物 can cause diseases in humans.

某些种类的原生动物可能会导致人类疾病。

10.Researchers study protozoans 原生动物 to understand their impact on aquatic food webs.

研究人员研究原生动物以了解它们对水生食物网的影响。

11.Some protozoans 原生动物 are known for their ability to survive extreme conditions.

一些原生动物以其在极端条件下生存的能力而闻名。

作文

Protozoans are single-celled organisms that belong to the kingdom Protista. They are incredibly diverse and can be found in a variety of environments, including freshwater, saltwater, and even within the bodies of other organisms. The study of protozoans (原生动物) is essential for understanding the complexities of ecosystems, as they play crucial roles in nutrient cycling and energy transfer. One of the most fascinating aspects of protozoans (原生动物) is their ability to adapt to different environments. For instance, some protozoans (原生动物) can survive in extreme conditions, such as high temperatures or acidic waters. This adaptability makes them an important subject of research in fields like ecology and evolutionary biology. Scientists study these organisms not only to learn more about their survival strategies but also to gain insights into the evolution of multicellular life.Moreover, protozoans (原生动物) are integral to the food web. Many aquatic animals, such as fish and larger invertebrates, rely on protozoans (原生动物) as a primary food source. By consuming these microorganisms, larger organisms can obtain essential nutrients, which are then transferred up the food chain. This highlights the importance of protozoans (原生动物) in maintaining the balance of ecosystems.In addition to their ecological significance, some protozoans (原生动物) have direct impacts on human health. Certain species are known to cause diseases in humans and animals. For example, the parasite Plasmodium, which is transmitted by mosquitoes, is responsible for malaria, a disease that affects millions of people worldwide. Understanding the biology and life cycles of these protozoans (原生动物) is vital for developing effective treatments and prevention strategies.Research on protozoans (原生动物) has also led to advancements in biotechnology. Some protozoans (原生动物) produce enzymes and metabolites that can be harnessed for industrial applications. For instance, certain protozoans (原生动物) are used in wastewater treatment processes due to their ability to break down organic matter. This not only helps in managing waste but also contributes to environmental sustainability.In conclusion, protozoans (原生动物) are remarkable organisms that play vital roles in our ecosystems and have significant implications for human health and industry. Their diversity and adaptability make them a key focus of scientific research, providing insights into the functioning of life on Earth. As we continue to explore the world of protozoans (原生动物), we uncover the intricate connections that sustain life, highlighting the importance of preserving these microscopic creatures for future generations.

原生动物是属于原生生物界的单细胞生物。它们种类繁多，能够在多种环境中生存，包括淡水、盐水，甚至其他生物体内。研究原生动物（protozoans）对理解生态系统的复杂性至关重要，因为它们在营养循环和能量转移中发挥着关键作用。原生动物（protozoans）最迷人的一个方面是它们适应不同环境的能力。例如，一些原生动物（protozoans）可以在极端条件下生存，如高温或酸性水域。这种适应性使它们成为生态学和进化生物学等领域研究的重要对象。科学家研究这些生物，不仅是为了了解它们的生存策略，还为了深入了解多细胞生命的进化。此外，原生动物（protozoans）在食物链中是不可或缺的。许多水生动物，如鱼类和较大的无脊椎动物，依赖于原生动物（protozoans）作为主要食物来源。通过摄取这些微生物，较大的生物可以获得必需的营养，这些营养再向上转移到食物链中。这突显了原生动物（protozoans）在维持生态系统平衡中的重要性。除了生态意义外，一些原生动物（protozoans）对人类健康有直接影响。某些物种已知会引起人类和动物的疾病。例如，疟原虫（Plasmodium）通过蚊子传播，是导致疟疾的病原体，这种疾病影响着全球数百万人。了解这些原生动物（protozoans）的生物学和生命周期对于开发有效的治疗和预防策略至关重要。对原生动物（protozoans）的研究也推动了生物技术的进步。一些原生动物（protozoans）产生的酶和代谢物可以被用于工业应用。例如，某些原生动物（protozoans）因其分解有机物的能力而被用于污水处理过程。这不仅有助于管理废物，还促进了环境可持续性。总之，原生动物（protozoans）是令人惊叹的生物，在我们的生态系统中发挥着重要作用，并对人类健康和工业产生重大影响。它们的多样性和适应性使它们成为科学研究的重点，为我们提供了对地球生命运作的深入见解。随着我们继续探索原生动物（protozoans）的世界，我们揭示了维持生命的复杂联系，突显了保护这些微观生物的重要性，以造福未来世代。