ambulacral system

简明释义

步带系

英英释义

例句

1.The ambulacral system 足沟系统 helps in gas exchange and nutrient distribution.

足沟系统有助于气体交换和营养分配。

2.Damage to the ambulacral system 足沟系统 can affect the overall health of echinoderms.

对足沟系统的损伤会影响棘皮动物的整体健康。

3.Researchers study the ambulacral system 足沟系统 to understand how sea creatures adapt to their environments.

研究人员研究足沟系统以了解海洋生物如何适应其环境。

4.The starfish uses its ambulacral system 足沟系统 to move and capture prey.

海星利用它的足沟系统来移动和捕捉猎物。

5.In echinoderms, the ambulacral system 足沟系统 is crucial for locomotion.

在棘皮动物中，足沟系统对运动至关重要。

作文

The study of marine biology reveals fascinating insights into the unique adaptations of various sea creatures. Among these, echinoderms, such as starfish and sea urchins, exhibit remarkable biological structures that contribute to their survival in diverse marine environments. One of the most intriguing systems found in echinoderms is the ambulacral system, which plays a crucial role in locomotion and feeding. The ambulacral system (足管系统) is a hydraulic system that operates through the use of water, allowing these organisms to move and capture prey efficiently.The ambulacral system consists of a series of fluid-filled canals that run along the arms of echinoderms. These canals are connected to tube feet, which extend outward from the body. When the echinoderm contracts its muscles, water is drawn into the canals, causing the tube feet to extend. This extension allows the organism to grip surfaces or objects, facilitating movement across the ocean floor. The ability to move effectively is essential for echinoderms, as it helps them escape predators and search for food.In addition to locomotion, the ambulacral system also plays a significant role in feeding. Echinoderms are often carnivorous, and they utilize their tube feet to grasp and manipulate prey. For instance, a starfish can extend its tube feet to hold onto a bivalve, such as a clam, and then apply pressure to pry it open. The hydraulic nature of the ambulacral system allows for precise control over the tube feet, enabling the starfish to exert the necessary force to access the soft tissues inside the shell.The efficiency of the ambulacral system is not limited to just movement and feeding; it also aids in respiration and waste removal. The water flowing through the system helps transport oxygen to the echinoderm's cells and assists in expelling waste products. This multifunctionality showcases the evolutionary advantages provided by the ambulacral system, allowing echinoderms to thrive in various aquatic habitats.Interestingly, the ambulacral system is also a point of interest for researchers studying evolutionary biology. The unique structure and function of this system provide insights into how echinoderms have adapted over millions of years. By examining the ambulacral system in different species, scientists can better understand the evolutionary relationships among marine organisms and the environmental pressures that have shaped their development.In conclusion, the ambulacral system (足管系统) is a remarkable adaptation that highlights the ingenuity of nature. Through its hydraulic mechanism, this system enables echinoderms to move, feed, respire, and eliminate waste effectively. As we continue to explore and study the complexities of marine life, the ambulacral system serves as a testament to the intricate designs that evolution has produced in response to the challenges of survival in the ocean. Understanding such systems not only enriches our knowledge of marine biology but also deepens our appreciation for the diversity of life on our planet.

海洋生物学的研究揭示了各种海洋生物独特适应性的迷人见解。在这些生物中，刺胞动物，如海星和海胆，展示了显著的生物结构，这些结构有助于它们在多样化的海洋环境中生存。其中最引人入胜的系统之一是足管系统，它在运动和捕食中发挥着至关重要的作用。足管系统（ambulacral system）是一个通过水的使用来运作的液压系统，使这些生物能够有效地移动和捕获猎物。足管系统由一系列充满液体的管道组成，这些管道沿着刺胞动物的臂部延伸。这些管道与伸出的管足相连。当刺胞动物收缩肌肉时，水被吸入管道，导致管足伸展。这种伸展使生物能够抓住表面或物体，从而促进在海底的移动。有效移动的能力对刺胞动物至关重要，因为这帮助它们逃避捕食者并寻找食物。除了运动之外，足管系统在捕食中也发挥着重要作用。刺胞动物通常是肉食性的，它们利用管足来抓住和操纵猎物。例如，海星可以伸展其管足以抓住双壳类动物，如蛤蜊，然后施加压力将其撬开。足管系统的液压特性允许对管足进行精确控制，使海星能够施加必要的力量以进入外壳内的软组织。足管系统的高效性不仅限于运动和捕食；它还帮助呼吸和废物排除。流经系统的水有助于将氧气运输到刺胞动物的细胞，并协助排出废物。这种多功能性展示了足管系统所提供的进化优势，使刺胞动物能够在各种水生栖息地中繁荣。有趣的是，足管系统也是研究进化生物学的研究人员关注的焦点。该系统的独特结构和功能为我们提供了关于刺胞动物如何在数百万年中适应的见解。通过检查不同物种中的足管系统，科学家们可以更好地理解海洋生物之间的进化关系以及塑造其发展的环境压力。总之，足管系统（ambulacral system）是一个显著的适应性，突显了自然的聪明才智。通过其液压机制，这一系统使刺胞动物能够有效地移动、捕食、呼吸和排泄。随着我们继续探索和研究海洋生命的复杂性，足管系统作为进化所产生的复杂设计的证明，展示了在生存挑战面前的智慧。理解这样的系统不仅丰富了我们对海洋生物学的知识，也加深了我们对地球上生命多样性的欣赏。