polychaete

简明释义

英[ˈpɒlɪˌkiːt]美[ˈpɑːlɪˌkɪt]

n. 多毛类环虫；多毛动物

adj. 多毛纲的

英英释义

单词用法

同义词

反义词

例句

1.These characteristics depend on the types of sediment, which in investigating area is coarse and polychaete does not fit to breed largely.

这些分布特征取决于底质类型，该海区沉积颗粒较粗，不利于多毛类繁衍。

2.There were obviously seasonal variation of polychaete quantity.

数量有明显的季节变化。

3.Polychaete Capitella capitata is an excellent indicator of polluted environment and attracted the attention of marine scientists.

小头虫作为一种广分布的有机污染指示种而为人们所关注。

4.The left-shell of Pteria penguin reared in cone cage was liable to infection of polychaete verminosis.

锥形笼养殖的企鹅珍珠贝左壳较易感染多毛类寄生虫病。

5.These characteristics depend on the types of sediment, which in investigating area is coarse and polychaete does not fit to breed largely.

这些分布特征取决于底质类型，该海区沉积颗粒较粗，不利于多毛类繁衍。

6.The marine biologist studied the behavior of the polychaete 多毛虫 in its natural habitat.

这位海洋生物学家研究了在其自然栖息地中多毛虫的行为。

7.In tidal pools, various species of polychaetes 多毛虫 can be observed burrowing into the sand.

在潮汐池中，可以观察到各种种类的多毛虫在沙子里打洞。

8.Researchers found that the polychaete 多毛虫 can regenerate lost segments of its body.

研究人员发现，多毛虫能够再生失去的身体部分。

9.The polychaete 多毛虫 plays a crucial role in marine ecosystems as a scavenger.

作为一种清道夫，多毛虫在海洋生态系统中扮演着重要角色。

10.During the lab session, we examined the anatomy of a polychaete 多毛虫 under a microscope.

在实验课上，我们在显微镜下检查了一只多毛虫的解剖结构。

作文

The marine ecosystem is a complex and diverse environment that houses various organisms, each playing a significant role in maintaining the ecological balance. Among these organisms are the fascinating creatures known as polychaetes, which are a class of annelid worms characterized by their segmented bodies and numerous bristle-like appendages called chaetae. These unique features not only distinguish polychaetes from other types of worms but also contribute to their adaptability in different marine habitats. Polychaetes can be found in a wide range of environments, from sandy beaches to deep-sea trenches, showcasing their ability to thrive in both coastal and abyssal zones. They play a crucial role in the marine food web, serving as a food source for various predators, including fish, crustaceans, and even birds. The presence of polychaetes in an ecosystem indicates a healthy environment, as they are sensitive to pollution and changes in their habitat. One of the most intriguing aspects of polychaetes is their reproductive strategies. Many species exhibit a fascinating phenomenon known as epitoky, where a portion of the worm transforms into a reproductive form, capable of swimming to the surface to spawn. This behavior ensures the dispersal of their offspring, increasing the chances of survival in the vast ocean. Additionally, some polychaetes are known for their ability to regenerate lost body parts, a trait that enhances their resilience against predation and environmental changes. Research on polychaetes has revealed their importance not only ecologically but also economically. Some species are harvested for use as bait in fishing, while others are utilized in aquaculture due to their role in nutrient cycling and sediment turnover. The study of polychaetes also provides insights into evolutionary biology, as their diverse forms and adaptations offer clues about the evolutionary processes that shape marine life. In conclusion, polychaetes are more than just simple marine worms; they are vital components of the oceanic ecosystem. Their unique characteristics, ecological roles, and adaptations make them a subject of interest for scientists and nature enthusiasts alike. By understanding and appreciating the significance of polychaetes, we can better protect and preserve the delicate balance of our marine environments for future generations.

海洋生态系统是一个复杂而多样的环境，栖息着各种生物，每种生物在维持生态平衡中都扮演着重要角色。在这些生物中，有一种迷人的生物被称为多毛类，它们是一类环节动物，以其分段身体和许多类似刷子的附肢（称为刚毛）为特征。这些独特的特征不仅使多毛类与其他类型的蠕虫区分开来，而且也使它们能够在不同的海洋栖息地中适应。 多毛类可以在从沙滩到深海沟的广泛环境中找到，展示了它们在沿海和深海区域生存的能力。它们在海洋食物网中扮演着至关重要的角色，是各种捕食者的食物来源，包括鱼类、甲壳类动物，甚至是鸟类。多毛类的存在表明一个健康的环境，因为它们对污染和栖息地变化非常敏感。 多毛类最引人入胜的方面之一是它们的繁殖策略。许多物种表现出一种迷人的现象，被称为生殖型化，其中一部分蠕虫转变为一种能够游向水面进行产卵的生殖形式。这种行为确保了后代的传播，增加了它们在广阔海洋中生存的机会。此外，一些多毛类以其再生失去身体部位的能力而闻名，这一特性增强了它们对捕食和环境变化的抵御能力。 对多毛类的研究揭示了它们不仅在生态上重要，而且在经济上也具有价值。一些物种被捕捞用作钓鱼的饵料，而另一些则因其在营养循环和沉积物翻转中的作用而被用于水产养殖。对多毛类的研究还提供了对进化生物学的见解，因为它们多样的形态和适应性为塑造海洋生命的进化过程提供了线索。 总之，多毛类不仅仅是简单的海洋蠕虫；它们是海洋生态系统的重要组成部分。它们独特的特征、生态角色和适应性使它们成为科学家和自然爱好者的兴趣对象。通过理解和欣赏多毛类的重要性，我们可以更好地保护和维护我们海洋环境的微妙平衡，为未来的世代着想。