ambulacral zone

简明释义

步带区

英英释义

例句

1.The starfish has a distinct pattern along its ambulacral zone, which helps in locomotion.

海星在其步带上有明显的图案，这有助于运动。

2.The ambulacral zone is crucial for the feeding mechanism of sea urchins.

对于海胆的喂食机制来说，步带是至关重要的。

3.In certain species, the color of the ambulacral zone may indicate their health status.

在某些物种中，步带的颜色可能表明它们的健康状况。

4.During our marine biology class, we observed the ambulacral zone of various echinoderms.

在我们的海洋生物学课上，我们观察了各种棘皮动物的步带。

5.Researchers noted that the ambulacral zone can regenerate after injury.

研究人员注意到，步带在受伤后可以再生。

作文

The study of marine biology often leads us to explore the fascinating anatomy of echinoderms, a diverse group of marine animals that include starfish, sea urchins, and sea cucumbers. One of the most intriguing aspects of these creatures is their unique body structure, particularly the concept of the ambulacral zone. This term refers to a specific area on the body of echinoderms where the tube feet are located, playing a crucial role in locomotion and feeding. Understanding the ambulacral zone is essential for appreciating how these organisms interact with their environment.The ambulacral zone is characterized by a series of radial grooves that run along the arms of starfish or the bodies of other echinoderms. These grooves house the tube feet, which are hydraulic structures that function through the water vascular system of the animal. The tube feet are not only vital for movement but also serve important functions in capturing prey and adhering to surfaces. For instance, when a starfish wants to move, it contracts its muscles to push water into the tube feet, extending them outward. This allows the animal to crawl along the ocean floor with remarkable agility.Moreover, the ambulacral zone plays a significant role in the feeding habits of echinoderms. Many species, such as the common starfish, utilize their tube feet to pry open the shells of bivalves. The tube feet can exert considerable force, allowing the starfish to access the soft tissue inside the shell. Once the prey is captured, the starfish can extrude its stomach through its mouth and digest the food externally, showcasing a unique feeding strategy that highlights the importance of the ambulacral zone.In addition to locomotion and feeding, the ambulacral zone is also involved in respiration and excretion. The tube feet have a large surface area that facilitates gas exchange, allowing the echinoderm to breathe underwater. Furthermore, waste products can be expelled through the same structures, making the ambulacral zone multifunctional in nature.The evolutionary significance of the ambulacral zone cannot be overlooked. It represents a key adaptation that has allowed echinoderms to thrive in various marine environments. The development of the water vascular system, which powers the tube feet, has enabled these animals to exploit different ecological niches, from tidal pools to deep-sea habitats. This adaptability is a testament to the evolutionary success of echinoderms and underscores the importance of understanding their anatomy.In conclusion, the ambulacral zone is a vital component of echinoderm anatomy that encompasses locomotion, feeding, respiration, and excretion. By studying this unique feature, we gain insights into the complex interactions between these marine organisms and their environments. As we continue to explore the depths of our oceans, the ambulacral zone serves as a reminder of the incredible diversity and specialization found in the animal kingdom, encouraging further research and appreciation for the wonders of marine life.

海洋生物学的研究常常引导我们探索棘皮动物的迷人解剖结构，这是一类多样化的海洋动物，包括海星、海胆和海参。这些生物最引人入胜的方面之一是它们独特的身体结构，尤其是“ambulacral zone”这一概念。这个术语指的是棘皮动物身体上一个特定的区域，在这个区域内，管足的分布起着至关重要的作用，涉及到运动和捕食。理解ambulacral zone对于欣赏这些生物如何与环境互动至关重要。ambulacral zone的特征是沿着海星的臂或其他棘皮动物的身体延伸的一系列放射状沟槽。这些沟槽容纳了管足，管足是通过动物的水管系统运作的液压结构。管足不仅对移动至关重要，还在捕捉猎物和附着于表面方面发挥重要作用。例如，当海星想要移动时，它收缩肌肉，将水推入管足，向外伸展。这使得动物能够以惊人的灵活性在海底爬行。此外，ambulacral zone在棘皮动物的捕食习性中也扮演着重要角色。许多物种，例如普通海星，利用其管足撬开双壳类动物的外壳。管足能够施加相当大的力量，使海星能够进入外壳内部的软组织。一旦猎物被捕获，海星可以通过嘴部将其胃伸出并进行外部消化，展示了一种独特的捕食策略，突显了ambulacral zone的重要性。除了运动和捕食，ambulacral zone在呼吸和排泄中也发挥着作用。管足具有较大的表面积，促进气体交换，使棘皮动物能够在水下呼吸。此外，废物也可以通过相同的结构排出，使ambulacral zone在功能上多元化。ambulacral zone的进化意义不容忽视。它代表了一种关键适应，使棘皮动物能够在各种海洋环境中繁荣发展。水管系统的发展，推动管足的运作，使这些动物能够利用不同的生态位，从潮汐池到深海栖息地。这种适应性证明了棘皮动物的进化成功，并强调了理解其解剖结构的重要性。总之，ambulacral zone是棘皮动物解剖结构的一个重要组成部分，涉及运动、捕食、呼吸和排泄。通过研究这一独特特征，我们获得了对这些海洋生物与其环境之间复杂相互作用的深入了解。当我们继续探索海洋深处时，ambulacral zone提醒我们动物王国中令人难以置信的多样性和专业化，鼓励进一步研究和欣赏海洋生命的奇迹。