ambulacral pore

简明释义

步带孔;

英英释义

例句

1.The ambulacral pore allows the sea cucumber to exchange gases with its environment.

海参的步带孔使其能够与环境进行气体交换。

2.The ambulacral pore is crucial for the respiratory system of echinoderms.

步带孔对棘皮动物的呼吸系统至关重要。

3.Marine biologists study the ambulacral pore to understand echinoderm locomotion.

海洋生物学家研究步带孔以了解棘皮动物的运动方式。

4.When observing a sea urchin, you can often spot the ambulacral pore on its body.

在观察海胆时，你通常可以在它的身体上看到步带孔。

5.The starfish uses its ambulacral pore to expel water and facilitate movement.

海星利用它的步带孔排出水分，从而促进移动。

作文

The ocean is a vast and mysterious place, home to countless species of marine life. Among these creatures are echinoderms, a group that includes starfish, sea urchins, and sea cucumbers. One of the fascinating features of echinoderms is the presence of the ambulacral pore (中文释义：足沟孔), which plays a crucial role in their unique physiology. Understanding the function and significance of the ambulacral pore can help us appreciate the complexity of marine ecosystems. Echinoderms have a water vascular system that enables them to move and feed. The ambulacral pore is an essential component of this system, allowing seawater to enter the organism's body. This pore is located on the surface of the body and connects to a network of canals that distribute water throughout the echinoderm. The hydraulic pressure created by this system is what allows starfish to extend their tube feet, facilitating movement and prey capture. Without the ambulacral pore, these creatures would struggle to survive in their aquatic environments.In addition to locomotion, the ambulacral pore also aids in respiration and waste removal. As water flows through the water vascular system, it helps to exchange gases and eliminate metabolic waste. This multifunctional aspect of the ambulacral pore highlights the evolutionary adaptations that echinoderms have developed over millions of years. Their ability to thrive in diverse marine habitats can be attributed to such specialized structures.Moreover, the ambulacral pore serves as a point of interest for researchers studying marine biology. By examining the structure and function of this pore, scientists can gain insights into the evolutionary history of echinoderms and their ecological roles. For instance, understanding how the ambulacral pore contributes to the overall health of echinoderms can inform conservation efforts, especially as many marine species face threats from climate change and habitat destruction.In conclusion, the ambulacral pore (中文释义：足沟孔) is more than just a small opening in the bodies of echinoderms; it is a vital component of their physiology that supports movement, feeding, respiration, and waste removal. As we continue to explore the mysteries of the ocean, it is essential to recognize the significance of such structures and their contributions to the delicate balance of marine ecosystems. By protecting these creatures and their habitats, we also safeguard the intricate web of life that exists beneath the waves.