bipinnarias

简明释义

[ˌbaɪˌpɪnˈɛəriəs][ˌbaɪˌpɪnˈɛəriəs]

n. [无脊椎] 羽腕幼虫;羽状蚴

复 数 b i p i n n a r i a s

英英释义

Bipinnarias are the larval stage of certain sea stars (starfish) characterized by their two rows of feather-like appendages used for swimming and feeding.

双羽幼虫是某些海星的幼虫阶段,其特征是有两排羽毛状的附肢,用于游泳和觅食。

单词用法

同义词

bipinnate

双羽状的

The bipinnate leaves of the plant are a distinguishing feature.

这种植物的双羽状叶子是一个显著特征。

pinnate

羽状的

Many ferns exhibit pinnate leaf structures.

许多蕨类植物表现出羽状叶结构。

反义词

unipinnate

单羽状的

The leaves of the plant are unipinnate, meaning they have a single row of leaflets.

这株植物的叶子是单羽状的,意味着它们只有一排小叶。

simple

简单的

The simple structure of the flower makes it easy to identify.

花的简单结构使其易于识别。

例句

1.During the study, researchers observed that bipinnarias can swim effectively to find food.

在研究过程中,研究人员观察到双羽幼虫能够有效地游动以寻找食物。

2.The transformation from bipinnarias to adult sea stars is a fascinating process.

双羽幼虫到成年海星的转变是一个引人入胜的过程。

3.The larvae of some sea stars are called bipinnarias and play a crucial role in the marine ecosystem.

一些海星的幼虫被称为双羽幼虫,在海洋生态系统中发挥着重要作用。

4.Understanding the life cycle of bipinnarias helps us conserve marine biodiversity.

了解双羽幼虫的生命周期有助于我们保护海洋生物多样性。

5.In the lab, we examined the feeding habits of bipinnarias under various conditions.

在实验室中,我们检查了在不同条件下双羽幼虫的觅食习性。

作文

The term bipinnarias refers to a specific developmental stage in the life cycle of certain marine organisms, particularly echinoderms like sea stars and sea cucumbers. Understanding the concept of bipinnarias is crucial for marine biologists and ecologists, as it provides insights into the reproductive strategies and developmental processes of these fascinating creatures. Echinoderms exhibit a unique mode of reproduction, often involving external fertilization, where eggs and sperm are released into the water. After fertilization, the eggs develop into free-swimming larvae known as bipinnarias. These larvae are characterized by their bilateral symmetry and possess two distinct rows of cilia, which they use for locomotion and feeding. The study of bipinnarias is essential for understanding how these organisms transition from their larval stage to adulthood.During the bipinnarias stage, these larvae undergo significant changes. They begin as simple, symmetrical forms but eventually develop into more complex structures. This metamorphosis is not only a fascinating biological process but also highlights the adaptability of echinoderms to their environments. For instance, the ability of bipinnarias to swim freely allows them to disperse over large distances, which is vital for genetic diversity and the colonization of new habitats.The ecological role of bipinnarias cannot be overstated. As they drift through the ocean, they serve as a critical food source for various marine animals, including fish and other invertebrates. This positions them as an integral part of the marine food web, illustrating the interconnectedness of oceanic ecosystems. Furthermore, studying bipinnarias can provide valuable information about the health of marine environments, as changes in their populations may indicate shifts in ecological balance or the impacts of environmental stressors.In recent years, research on bipinnarias has gained momentum, particularly in the context of climate change and ocean acidification. Scientists are exploring how these factors affect the development and survival of larval echinoderms. Such studies are crucial for predicting future changes in marine biodiversity and for developing conservation strategies aimed at protecting vulnerable species.In conclusion, the concept of bipinnarias encompasses much more than just a stage in the life cycle of echinoderms. It represents a vital link in the complex web of marine life, emphasizing the importance of understanding these organisms for the broader context of marine biology and ecology. By deepening our knowledge of bipinnarias, we can better appreciate the intricacies of life beneath the waves and the environmental challenges that threaten these ecosystems. Protecting the delicate balance of marine life is essential, and recognizing the significance of bipinnarias is a step towards achieving sustainable ocean management.

术语bipinnarias指的是某些海洋生物,尤其是海星和海参等棘皮动物生命循环中的特定发育阶段。理解bipinnarias的概念对于海洋生物学家和生态学家至关重要,因为它提供了对这些迷人生物的繁殖策略和发育过程的见解。棘皮动物表现出独特的繁殖模式,通常涉及外部受精,即卵子和精子被释放到水中。受精后,卵子发展为自由游动的幼虫,称为bipinnarias。这些幼虫的特点是它们的双侧对称性,并且具有两排明显的纤毛,它们利用这些纤毛进行运动和觅食。研究bipinnarias对于理解这些生物如何从幼虫阶段过渡到成体阶段至关重要。在bipinnarias阶段,这些幼虫经历显著变化。它们最初作为简单的对称形态,但最终发展为更复杂的结构。这种变态不仅是一个迷人的生物过程,还突显了棘皮动物对其环境的适应能力。例如,bipinnarias自由游动的能力使它们能够在大范围内扩散,这对遗传多样性和新栖息地的殖民至关重要。bipinnarias的生态角色不可低估。当它们在海洋中漂流时,它们作为各种海洋动物,包括鱼类和其他无脊椎动物的重要食物来源。这使得它们成为海洋食物网的重要组成部分,说明了海洋生态系统的相互联系。此外,研究bipinnarias可以提供有关海洋环境健康的宝贵信息,因为其种群的变化可能表明生态平衡的转变或环境压力的影响。近年来,关于bipinnarias的研究逐渐增多,特别是在气候变化和海洋酸化的背景下。科学家们正在探索这些因素如何影响幼棘皮动物的发育和生存。这些研究对于预测未来海洋生物多样性的变化以及制定旨在保护脆弱物种的保护策略至关重要。总之,bipinnarias的概念不仅仅是棘皮动物生命周期中的一个阶段。它代表了海洋生命复杂网络中的一个重要环节,强调了理解这些生物对于海洋生物学和生态学更广泛背景的重要性。通过加深对bipinnarias的认识,我们可以更好地欣赏海洋深处生命的复杂性以及威胁这些生态系统的环境挑战。保护海洋生命的微妙平衡至关重要,而认识到bipinnarias的重要性是实现可持续海洋管理的一步。