rotifers
简明释义
n. 轮虫类（rotifer 的复数）
英英释义
单词用法
同义词
反义词
例句
1.What makes this news is that the offspring of the rotifers in question also lived longer than normal.
之所以这是个“新”闻是因为这些被讨论的轮虫的后代竟然也比正常时候活的更久。
2.The researchers bred rotifers in three different environments: one in which the quality of available food was high, one in which it was low and one in which it was mixed.
研究者们设置了三种不同的环境来饲养轮虫：一种是可获取食物质量相当高的环境，一种是质量低的环境，还有一种趋于两者的混合。
3.To find out why, scientists infected rotifers with a deadly fungus.
为了找出原因，科学家们给蛭形轮虫注射了致命的真菌。
4.And they found that bdelloid rotifers can shake the infection by drying out, drifting away and then rehydrating once they land someplace moist but fungus-free.
随后他们观察到蛭形轮虫为了摆脱真菌首先被迫逐渐脱干自身水分，最后到达一个潮湿且没有真菌的地方补充水分。
5.A study in the journal Science suggests that for bdelloid rotifers, the answer is blowing in the wind.
《科学》杂志上刊登的一项研究表明，蛭形轮虫的解决办法是——吹吹风。
6.The only discovered animals are water bears, mites, microscopic rotifers.
能够发现的动物只有海蜘蛛、螨和微小的轮虫。
7.Rotifers are adequate first feeds of larval rearing of marine fish.
轮虫是海产鱼类苗种的适宜开口饵料和优质食物。
8.To study the bdelloids' adaptations, Wilson infected populations of rotifers with deadly fungi and found that they all died within a few weeks.
为了研究蛭形轮虫的适应能力，威尔逊使大量轮虫感染上致命的真菌，结果发现几周以内他们全部死亡了。
9.So for celibate rotifers that want to stay clean, a good long dry spell is just what the doctor ordered.
因此，对于那些想要健康存活而又坚守"禁欲主义"的蛭形轮虫而言，保持长时间干燥就是"谨遵医嘱"。
10.Aquarium enthusiasts often introduce rotifers 轮虫 as a food source for young fish.
水族爱好者常常引入轮虫 rotifers 作为幼鱼的食物来源。
11.Scientists often study rotifers 轮虫 to understand the effects of pollution on aquatic life.
科学家们经常研究轮虫 rotifers 以了解污染对水生生物的影响。
12.In freshwater ecosystems, rotifers 轮虫 play a crucial role in the food web.
在淡水生态系统中，轮虫 rotifers 在食物网中扮演着至关重要的角色。
13.The presence of rotifers 轮虫 in a water sample can indicate good water quality.
水样中存在轮虫 rotifers可能表明水质良好。
14.A variety of rotifers 轮虫 can be found in the moss that grows on rocks.
在生长在岩石上的苔藓中可以找到多种轮虫 rotifers。
作文
Rotifers are microscopic, multicellular organisms that belong to the phylum Rotifera. They are primarily found in freshwater environments such as ponds, lakes, and streams, although some species can also inhabit moist soils and marine environments. Rotifers are fascinating creatures due to their unique morphology and reproductive strategies. One of the most notable features of rotifers (轮虫) is their ciliated crown, known as a corona, which they use for locomotion and feeding. The beating of these tiny hairs creates water currents that help draw food particles, primarily algae and bacteria, into their mouths.The body structure of rotifers (轮虫) is quite complex for such small organisms. They typically range from 50 to 2,000 micrometers in length. Their bodies are divided into three main parts: the head, the trunk, and the foot. The head contains the corona and sensory organs, while the trunk houses the digestive system and other internal organs. The foot, which can be either retractable or fixed, helps them anchor to surfaces in their aquatic habitats.One interesting aspect of rotifers (轮虫) is their reproductive methods. Many species reproduce through parthenogenesis, a form of asexual reproduction where females produce eggs that develop into new individuals without fertilization. This allows for rapid population growth under favorable conditions. However, some rotifers (轮虫) also engage in sexual reproduction, particularly when environmental conditions become harsh. This dual reproductive strategy enables them to adapt to changing environments effectively.Rotifers (轮虫) play a crucial role in freshwater ecosystems. As primary consumers, they contribute to the microbial loop by feeding on bacteria and algae, thus helping to regulate these populations. Additionally, they serve as an essential food source for larger organisms, including small fish and invertebrates. The presence of rotifers (轮虫) in a habitat often indicates good water quality, making them valuable bioindicators for ecological studies.Despite their small size, rotifers (轮虫) exhibit remarkable resilience. They can survive extreme conditions, including desiccation and freezing, by entering a state known as cryptobiosis. In this state, their metabolic processes slow down significantly, allowing them to withstand unfavorable environments until conditions improve. This ability to endure harsh conditions is one reason why rotifers (轮虫) are found in diverse habitats around the world.In conclusion, rotifers (轮虫) are extraordinary organisms that have adapted to thrive in various environments. Their unique characteristics, such as their ciliated corona, complex body structure, and versatile reproductive strategies, make them a subject of interest for scientists studying ecology and evolution. Understanding the role of rotifers (轮虫) in freshwater ecosystems is crucial for maintaining biodiversity and ensuring the health of aquatic environments. As we continue to explore the wonders of the microscopic world, rotifers (轮虫) remind us of the intricate connections that exist within our ecosystems, highlighting the importance of even the smallest creatures in sustaining life on Earth.
轮虫是属于轮虫门的微观多细胞生物。它们主要生活在淡水环境中，如池塘、湖泊和溪流，尽管一些物种也可以栖息在潮湿的土壤和海洋环境中。轮虫因其独特的形态和繁殖策略而引人注目。轮虫（rotifers）最显著的特征之一是它们的纤毛冠，称为冠状体，利用这个结构进行运动和摄食。这些微小毛发的拍打产生水流，有助于将食物颗粒，主要是藻类和细菌，吸入它们的口中。轮虫（rotifers）的身体结构对于如此小的生物来说相当复杂。它们的长度通常在50到2000微米之间。它们的身体分为三个主要部分：头部、躯干和足部。头部包含冠状体和感官器官，而躯干则容纳消化系统和其他内脏器官。足部可以是可收缩的或固定的，帮助它们在水生栖息地中锚定在表面。轮虫（rotifers）一个有趣的方面是它们的繁殖方式。许多物种通过孤雌生殖进行繁殖，这是一种无性繁殖形式，雌性生物产生未受精的卵子，发展成新个体。这使得它们在有利条件下能够迅速增长。然而，一些轮虫（rotifers）也会进行有性繁殖，特别是在环境条件变得恶劣时。这种双重繁殖策略使它们能够有效适应变化的环境。轮虫（rotifers）在淡水生态系统中发挥着至关重要的作用。作为初级消费者，它们通过以细菌和藻类为食，促进微生物环路，从而帮助调节这些种群。此外，它们也是小鱼和无脊椎动物等较大生物的重要食物来源。轮虫（rotifers）在栖息地中的存在通常表明水质良好，使它们成为生态研究中的宝贵生物指示物。尽管体型微小，轮虫（rotifers）表现出惊人的韧性。它们可以在极端条件下生存，包括干燥和冰冻，通过进入一种称为隐生状态。处于这种状态时，它们的代谢过程显著减缓，使它们能够在不利环境中耐受，直到条件改善。这种承受恶劣条件的能力是轮虫（rotifers）在世界各地多样栖息地中发现的原因之一。总之，轮虫（rotifers）是非凡的生物，已适应在各种环境中生存。它们独特的特征，如纤毛冠、复杂的身体结构和多样的繁殖策略，使它们成为科学家研究生态学和进化论的兴趣对象。了解轮虫（rotifers）在淡水生态系统中的作用对于维护生物多样性和确保水域环境的健康至关重要。当我们继续探索微观世界的奇迹时，轮虫（rotifers）提醒我们生态系统内存在的复杂联系，突显了即使是最小的生物在维持地球生命中的重要性。
