puparium
简明释义
英[/pjuˈpɛr.i.əm/]美[/pjuˈpɛr.i.əm/]
n. [昆] 蛹壳
复 数 p u p a r i a
英英释义
A puparium is a hardened case or shell that forms around the pupa of certain insects, particularly flies, during their development from larva to adult. | puparium是某些昆虫(特别是苍蝇)在从幼虫发育到成虫期间形成的坚硬外壳或壳体。 |
单词用法
同义词
蛹 | 蛹经历转变成为成虫。 | ||
蛹壳 | 蛹壳通常悬挂在树枝上。 |
反义词
幼虫 | 蝴蝶的幼虫以叶子为食。 | ||
卵 | 卵孵化成毛虫。 |
例句
1.The life cycle of the fly includes a stage where it forms a puparium, which is a protective casing during metamorphosis.
苍蝇的生命周期包括一个阶段,在这个阶段它形成一个蛹壳,这是在变态过程中起保护作用的外壳。
2.Researchers observed the behavior of larvae before they enter the puparium to understand their development better.
研究人员观察了幼虫在进入蛹壳之前的行为,以更好地理解它们的发展。
3.In some species, the puparium can be brightly colored, which may serve as a warning to predators.
在某些物种中,蛹壳可能是鲜艳的颜色,这可能会作为对捕食者的警告。
4.After a few days in the puparium, the adult insect emerges fully formed.
在蛹壳中待几天后,成虫完全形成并出现。
5.The puparium provides a safe environment for the larva to transform into an adult insect.
对于幼虫来说,蛹壳提供了一个安全的环境,使其能够转变为成虫。
作文
In the fascinating world of entomology, the life cycle of insects presents a myriad of wonders. One particularly intriguing stage is the transformation that occurs within the protective casing known as the puparium. The puparium is a hardened structure formed by certain insect larvae, especially those of flies, as they prepare to undergo metamorphosis. This stage is crucial for the development of the adult insect, allowing it to emerge fully formed and ready to thrive in its environment. To understand the significance of the puparium, we must first explore the life cycle of insects. Most insects undergo complete metamorphosis, which includes four distinct stages: egg, larva, pupa, and adult. After hatching from the egg, the larva feeds and grows, often undergoing several molts. Once it reaches a certain size, the larva enters the pupal stage, during which it transforms into its adult form. This is where the puparium plays a vital role. The formation of the puparium typically occurs when the larva has consumed enough nutrients to sustain its development. It secretes a protective layer around itself, creating a safe environment where the metamorphosis can take place. Within this casing, the larval tissues break down and reorganize into the structures of the adult insect. This process is not only fascinating but also essential for the survival of many species. One of the most well-known examples of an insect that forms a puparium is the common housefly. After feeding and growing, the fly larva, or maggot, will find a suitable place to pupate. It then creates a puparium that protects it during the vulnerable transformation phase. In a matter of days, the adult fly emerges from the puparium, ready to begin its life cycle anew. The puparium serves not only as a protective barrier against environmental threats but also as a means of regulating the internal conditions necessary for successful metamorphosis. For instance, it helps maintain humidity and temperature, which are critical factors for the developing insect. Without this protective casing, many insects would be unable to survive the transition from larva to adult. Moreover, studying the puparium can provide valuable insights into the evolutionary adaptations of insects. Different species exhibit varying methods of pupation, with some forming a puparium while others may simply bury themselves in the ground or spin a cocoon. These differences reflect the diverse strategies insects have developed to cope with their environments and ensure the continuation of their species. In conclusion, the puparium is a remarkable aspect of insect life cycles that highlights the complexity of metamorphosis. It serves as a protective shell during one of the most critical phases of development, allowing insects to emerge as fully formed adults. Understanding the role of the puparium not only enhances our appreciation of the natural world but also underscores the intricate relationships between organisms and their environments. As we continue to explore the wonders of entomology, the study of structures like the puparium will undoubtedly reveal even more about the incredible diversity of life on our planet.
在迷人的昆虫学世界中,昆虫的生命周期展现了无数的奇迹。其中一个特别引人入胜的阶段是发生在被称为puparium的保护壳内的转变。puparium是某些昆虫幼虫(尤其是苍蝇的幼虫)在准备经历变态时形成的坚硬结构。这个阶段对成年昆虫的发展至关重要,使其能够完全形成并准备好在环境中生存。 要理解puparium的重要性,我们首先必须探索昆虫的生命周期。大多数昆虫经历完全变态,包括四个不同的阶段:卵、幼虫、蛹和成虫。在从卵中孵化后,幼虫进食并生长,通常会经历几次蜕皮。当它达到一定大小后,幼虫进入蛹的阶段,在此期间它转变为成虫。这就是puparium发挥关键作用的地方。 puparium的形成通常发生在幼虫摄取了足够的营养以维持其发展时。它在自身周围分泌一层保护层,创造一个安全的环境,让变态得以进行。在这个壳内,幼虫组织分解并重组为成虫的结构。这个过程不仅令人着迷,而且对许多物种的生存至关重要。 一个形成puparium的昆虫最著名的例子是普通家蝇。在进食和生长后,蝇幼虫(或称蛆)会找到合适的地方进行蛹化。然后,它创建一个puparium,在脆弱的转变阶段保护自己。在短短几天内,成虫蝇从puparium中出现,准备重新开始它的生命周期。 puparium不仅作为对环境威胁的保护屏障,还作为调节成功变态所需内部条件的手段。例如,它有助于维持湿度和温度,这些都是发育中的昆虫的关键因素。如果没有这个保护壳,许多昆虫将无法在幼虫到成虫的过渡中生存。 此外,研究puparium可以提供关于昆虫进化适应的重要见解。不同物种表现出不同的蛹化方法,有些形成puparium,而其他可能只是埋在土壤中或旋转成茧。这些差异反映了昆虫为应对环境而发展出的多样策略,以确保其物种的延续。 总之,puparium是昆虫生命周期的一个显著方面,突显了变态的复杂性。它作为在发展过程中最关键阶段的保护壳,使昆虫能够作为完全形成的成虫出现。理解puparium的作用不仅增强了我们对自然界的欣赏,也强调了生物体与其环境之间的复杂关系。随着我们继续探索昆虫学的奇迹,对像puparium这样的结构的研究无疑将揭示更多关于我们星球上生命的惊人多样性。
文章标题:puparium的意思是什么
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