hydromedusa

简明释义

英[ˌhaɪdrəʊmɪˈdjuːsə]美[ˌhaɪdromɪˈdjʊzər]

n. 水螅水母

英英释义

单词用法

同义词

反义词

例句

1.A hydromedusa spreads its luminescent tentacles in the Weddell Sea near Antarctica.

在南极边的威德尔海，一只水螅水母伸展它的冷光触须。

2.A hydromedusa spreads its luminescent tentacles in the Weddell Sea near Antarctica.

在南极边的威德尔海，一只水螅水母伸展它的冷光触须。

3.The biologist studied the life cycle of the hydromedusa 水母 to understand its ecological role.

生物学家研究了水母的生命周期，以了解其生态角色。

4.The hydromedusa 水母 is known for its unique bell shape and tentacles.

水母以其独特的钟形和触手而闻名。

5.Researchers are examining how climate change affects the population of hydromedusa 水母 in coastal waters.

研究人员正在检查气候变化如何影响沿海水域水母的种群。

6.The presence of hydromedusa 水母 in the ecosystem can indicate changes in water quality.

生态系统中出现水母可能表明水质的变化。

7.During the marine expedition, we observed several species of hydromedusa 水母 floating gracefully in the water.

在海洋考察中，我们观察到几种水母优雅地漂浮在水中。

作文

In the vast and mysterious world of marine biology, there are countless fascinating organisms that capture our imagination. One such organism is the hydromedusa, a unique life stage of certain jellyfish-like creatures belonging to the class Hydrozoa. The term hydromedusa refers specifically to the medusa stage of these organisms, which is typically free-swimming and bell-shaped, allowing them to drift gracefully through the ocean waters. Understanding the biology and ecology of hydromedusa can provide insights into the intricate relationships within marine ecosystems.The life cycle of a hydromedusa begins with a polyp stage, which is usually attached to a substrate like rocks or seaweed. During this phase, the organism reproduces asexually by budding, creating multiple polyps that can grow and thrive in their environment. Eventually, environmental conditions trigger the transformation of these polyps into hydromedusa, where they detach and enter the pelagic zone of the ocean. This transition is critical as it allows the species to spread and colonize new areas, ensuring their survival and genetic diversity.One of the most intriguing aspects of hydromedusa is their feeding mechanism. These creatures are carnivorous and primarily feed on small fish, zooplankton, and other tiny marine organisms. They possess specialized cells called cnidocytes, which contain stinging structures known as nematocysts. When prey comes into contact with a hydromedusa, these cells fire, injecting venom that immobilizes the prey, allowing the hydromedusa to capture and consume it. This fascinating predatory strategy highlights the evolutionary adaptations that have enabled these organisms to thrive in diverse marine environments.In addition to their role as predators, hydromedusa also play a vital role in the marine food web. They serve as prey for larger animals such as fish, sea turtles, and even some species of birds. This interconnectedness emphasizes the importance of hydromedusa in maintaining the balance of marine ecosystems. Furthermore, their presence can indicate changes in environmental conditions, such as water temperature and salinity, making them valuable indicators for scientists studying ocean health.Despite their ecological significance, hydromedusa populations can be affected by human activities, such as pollution and climate change. These factors can lead to harmful algal blooms, which in turn can result in increased numbers of hydromedusa. Such blooms can disrupt local fisheries and harm other marine life, showcasing the delicate balance that exists within oceanic ecosystems.In conclusion, the hydromedusa is more than just an interesting marine organism; it is a crucial component of our ocean's biodiversity. By studying the life cycle, feeding habits, and ecological roles of hydromedusa, we can gain a deeper appreciation for the complexities of marine life and the importance of conserving our oceans. As we continue to explore and understand these remarkable creatures, we must also recognize our responsibility to protect their habitats and ensure the health of marine ecosystems for future generations.

在海洋生物学广阔而神秘的世界中，有无数迷人的生物吸引着我们的想象力。其中一种生物是水母，它是某些类似水母生物的独特生活阶段，属于水螅动物门。术语水母特指这些生物的水母阶段，通常是自由游动的、钟形的，允许它们优雅地漂流在海洋水域中。理解水母的生物学和生态学可以提供对海洋生态系统内复杂关系的洞察。水母的生命周期始于水螅阶段，通常附着在岩石或海藻等基质上。在这个阶段，生物通过出芽进行无性繁殖，创造出多个能够在其环境中生长和繁衍的水螅。最终，环境条件促使这些水螅转变为水母，它们脱离并进入海洋的浮游区。这个转变至关重要，因为它允许物种扩散并殖民新区域，确保它们的生存和遗传多样性。水母最引人入胜的方面之一是它们的捕食机制。这些生物是肉食性的，主要以小鱼、浮游动物和其他微小的海洋生物为食。它们拥有称为刺细胞的特殊细胞，这些细胞含有称为刺丝囊的刺结构。当猎物与水母接触时，这些细胞会发射，注入毒液，使猎物失去行动能力，从而使水母能够捕获和消耗它。这个迷人的捕食策略突显了这些生物为在多样化的海洋环境中生存而进行的进化适应。除了作为捕食者的角色外，水母在海洋食物链中也扮演着重要的角色。它们是更大动物如鱼类、海龟甚至一些鸟类的猎物。这种相互联系强调了水母在维持海洋生态系统平衡中的重要性。此外，它们的存在可以指示环境条件的变化，如水温和盐度，使它们成为研究海洋健康的科学家们的宝贵指标。尽管水母具有生态重要性，但人类活动如污染和气候变化可能会影响它们的种群。这些因素可能导致有害的藻类繁殖，从而导致水母数量增加。这种繁殖可能会破坏当地渔业并伤害其他海洋生物，展示了海洋生态系统中存在的微妙平衡。总之，水母不仅仅是一种有趣的海洋生物；它是我们海洋生物多样性的关键组成部分。通过研究水母的生命周期、捕食习性和生态角色，我们可以更深入地欣赏海洋生命的复杂性以及保护我们海洋的重要性。当我们继续探索和理解这些非凡的生物时，我们还必须认识到保护它们栖息地和确保海洋生态系统健康的责任，以造福未来的世代。