sipunculid

简明释义

英[sɪˈpʌŋkjəˌlɪd]美[sɪˈpʌŋkjəˌlɪd]

n. 星虫

英英释义

单词用法

同义词

反义词

例句

1.The obtained sipunculid polypeptide shows activity of resisting oxidation, enhancing sports ability and preventing oxidation injury caused by sports in animal experiments.

获得的星虫蛋白多肽在动物实验中表现出具有抗氧化，增强运动能力及防止运动造成的氧化损伤。

2.The obtained sipunculid polypeptide shows activity of resisting oxidation, enhancing sports ability and preventing oxidation injury caused by sports in animal experiments.

获得的星虫蛋白多肽在动物实验中表现出具有抗氧化，增强运动能力及防止运动造成的氧化损伤。

3.The anatomy of a sipunculid is fascinating due to its unique body structure.

由于其独特的身体结构，海肠的解剖结构非常迷人。

4.Many researchers are interested in the ecological role of sipunculids in marine environments.

许多研究人员对海肠在海洋环境中的生态角色感兴趣。

5.During the expedition, we collected samples of sipunculids for further analysis.

在探险期间，我们收集了海肠的样本以供进一步分析。

6.The diet of sipunculids mainly consists of organic matter found in the sediment.

海肠的饮食主要由沉积物中的有机物组成。

7.The marine biologist studied the behavior of sipunculids in their natural habitat.

这位海洋生物学家研究了海肠在其自然栖息地中的行为。

作文

The world is filled with a diverse range of organisms, each playing a unique role in the ecosystem. Among these creatures is a fascinating group known as the sipunculids, which are marine worms belonging to the phylum Sipuncula. These animals are primarily found in shallow coastal waters and are recognized for their distinct cylindrical bodies and retractable proboscis. Understanding the biology and ecology of sipunculids can provide insights into marine biodiversity and the health of oceanic environments.Sipunculids are often referred to as peanut worms due to their shape, which resembles that of a peanut when retracted. They typically inhabit sandy or muddy substrates, where they burrow and create a safe environment for themselves. This burrowing behavior not only protects them from predators but also plays a crucial role in sediment aeration and nutrient cycling within their habitats. By digging into the substrate, sipunculids help to maintain the health of the ocean floor, making them important contributors to marine ecosystems.One of the most intriguing aspects of sipunculids is their feeding mechanism. These worms are deposit feeders, meaning they consume organic material found in the sediment. They use their long, retractable proboscis to gather food particles, which they then bring to their mouths. This feeding strategy allows sipunculids to thrive in environments where other food sources may be scarce, showcasing their adaptability and resilience.In terms of reproduction, sipunculids exhibit a fascinating life cycle. Many species are capable of both sexual and asexual reproduction, allowing them to reproduce in various environmental conditions. During sexual reproduction, males and females release gametes into the water, where fertilization occurs externally. This method increases genetic diversity within populations, which is essential for the survival of species in changing environments.The study of sipunculids is not just significant for understanding marine biology; it also has implications for environmental conservation. As indicators of habitat health, the presence and abundance of sipunculids can provide valuable information about the state of marine ecosystems. By monitoring their populations, scientists can assess the impacts of pollution, climate change, and other anthropogenic factors on ocean health.Moreover, sipunculids have potential applications in biotechnology and medicine. Their unique biological properties may lead to the discovery of new compounds that could be used in pharmaceuticals or other industries. As researchers continue to explore the vast diversity of marine life, sipunculids represent a promising area of study that could yield significant benefits for humanity.In conclusion, sipunculids are remarkable marine organisms that contribute to the health of ocean ecosystems through their burrowing activities and feeding habits. Their adaptability and resilience make them an essential part of marine biodiversity. As we continue to face environmental challenges, understanding the role of sipunculids and other marine life becomes increasingly important. Protecting these creatures and their habitats will ensure the sustainability of our oceans for future generations. The study of sipunculids not only enriches our knowledge of marine biology but also emphasizes the interconnectedness of all life forms on our planet.

这个世界充满了多样的生物，每种生物在生态系统中扮演着独特的角色。在这些生物中，有一个迷人的群体被称为sipunculids，它们是属于Sipuncula门的海洋蠕虫。这些动物主要生活在浅海沿岸，因其独特的圆柱形身体和可收缩的口器而受到认可。了解sipunculids的生物学和生态学可以为我们提供有关海洋生物多样性和海洋环境健康的见解。Sipunculids常被称为花生虫，因为它们的形状在收缩时类似于花生。它们通常栖息在沙质或泥质的底部，在那里挖洞并创造一个安全的环境。这种挖洞行为不仅保护它们免受捕食者的攻击，还在沉积物的通气和养分循环中发挥着至关重要的作用。通过在底部挖掘，sipunculids帮助维持海洋底层的健康，使它们成为海洋生态系统的重要贡献者。Sipunculids最引人入胜的方面之一是它们的取食机制。这些蠕虫是沉积物取食者，意味着它们会消耗沉积物中的有机物质。它们利用长长的可收缩口器收集食物颗粒，然后将其带到嘴边。这种取食策略使得sipunculids能够在其他食物来源稀缺的环境中繁衍生息，展示了它们的适应性和韧性。在繁殖方面，sipunculids展现出一种迷人的生命周期。许多物种能够进行性和无性繁殖，使它们能够在各种环境条件下繁殖。在性繁殖过程中，雄性和雌性将配子释放到水中，受精发生在外部。这种方法增加了种群内的遗传多样性，这对物种在变化环境中的生存至关重要。对sipunculids的研究不仅对理解海洋生物学具有重要意义；它还对环境保护有重要影响。作为栖息地健康的指示物，sipunculids的存在和丰度可以提供有关海洋生态系统状态的宝贵信息。通过监测它们的种群，科学家可以评估污染、气候变化和其他人类活动因素对海洋健康的影响。此外，sipunculids在生物技术和医学方面也有潜在的应用。它们独特的生物特性可能导致新化合物的发现，这些化合物可以用于制药或其他行业。随着研究人员继续探索海洋生命的广泛多样性，sipunculids代表了一个有前景的研究领域，可能为人类带来显著的好处。总之，sipunculids是了不起的海洋生物，通过它们的挖掘活动和取食习惯为海洋生态系统的健康做出了贡献。它们的适应性和韧性使它们成为海洋生物多样性的重要组成部分。随着我们继续面临环境挑战，理解sipunculids和其他海洋生物的作用变得越来越重要。保护这些生物及其栖息地将确保我们的海洋在未来几代人的可持续性。对sipunculids的研究不仅丰富了我们对海洋生物学的知识，也强调了我们星球上所有生命形式之间的相互联系。