crinoids

简明释义

英[ˈkraɪnɔɪdz]美[ˈkraɪnɔɪdz;ˈkrɪnɔɪdz]

海百合类

英英释义

单词用法

同义词

反义词

例句

1.Like their sea star cousins, crinoids have five or more arms and askeleton constructed of calcified plates elaborately slotted together.

像海星一样，海百合也有五条或者更多条长腕，还有一个由钙化层整齐排列在一起的外壳。

2.Like their sea star cousins, crinoids have five or more arms and askeleton constructed of calcified plates elaborately slotted together.

像海星一样，海百合也有五条或者更多条长腕，还有一个由钙化层整齐排列在一起的外壳。

3.Before this extinction, Marine animals were mostly filter feeders stuck in place on the seafloor, such as crinoids or "sea lilies."

这次大灭绝之前，海洋动物大部分是固定在海底的滤食动物，比如海百合。

4.This species, also known as crinoids, is a highly mobile form of sea star.

同为海百合纲的海羽星是一种高度灵活的海星形式。

5.The fossil record shows that crinoids 海百合 were abundant during the Paleozoic era.

化石记录显示，海百合在古生代时期非常丰富。

6.Many marine biologists study crinoids 海百合 to understand the health of coral reefs.

许多海洋生物学家研究海百合以了解珊瑚礁的健康状况。

7.In some underwater ecosystems, crinoids 海百合 play a crucial role in nutrient cycling.

在某些水下生态系统中，海百合在养分循环中发挥着至关重要的作用。

8.During our dive, we spotted several species of crinoids 海百合 clinging to the rocks.

在我们的潜水中，我们发现几种附着在岩石上的海百合。

9.Some ancient civilizations used crinoids 海百合 fossils as jewelry and decorative items.

一些古代文明将海百合化石用作珠宝和装饰品。

作文

Crinoids, often referred to as sea lilies or feather stars, are fascinating marine animals that belong to the class Crinoidea within the phylum Echinodermata. These creatures have been around for hundreds of millions of years, with a fossil record dating back to the Cambrian period. The term crinoids (珊瑚虫) comes from the Greek words 'krinon,' meaning lily, and 'eidos,' meaning form or shape, reflecting their plant-like appearance. Despite their resemblance to flowers, crinoids are indeed animals, characterized by their unique body structure which includes a calyx, arms, and a stem. The body of a crinoid (珊瑚虫) is typically cup-shaped, known as the calyx, and it sits atop a stalk or stem that anchors it to the seafloor. Some species, like feather stars, lack a stalk and can swim freely in the water column. The arms of crinoids (珊瑚虫) are lined with tube feet, which they use for feeding. They filter plankton and small particles from the water, showcasing a remarkable adaptation to their environment. One of the most interesting aspects of crinoids (珊瑚虫) is their ecological role in marine ecosystems. They provide habitat for various small organisms and contribute to the overall biodiversity of the ocean floor. Furthermore, their presence indicates a healthy marine environment, as they thrive in clean, nutrient-rich waters. Although crinoids (珊瑚虫) were once abundant and diverse during the Paleozoic era, their numbers have declined significantly due to changes in ocean conditions and habitat destruction. Today, they can be found in various marine environments, from shallow coastal waters to deep-sea habitats. Their resilience and adaptability are evident as some species have survived through drastic environmental changes over millions of years. Studying crinoids (珊瑚虫) not only helps us understand the evolution and history of marine life but also offers insights into the health of our oceans. Scientists use crinoids (珊瑚虫) as indicators of environmental change, assessing the impacts of pollution, climate change, and habitat loss. By monitoring their populations, researchers can gather valuable data on the overall health of marine ecosystems. In conclusion, crinoids (珊瑚虫) are remarkable creatures that bridge the gap between plants and animals. Their long evolutionary history, unique adaptations, and ecological importance make them a subject of fascination for marine biologists and enthusiasts alike. As we continue to explore and study our oceans, understanding the role of crinoids (珊瑚虫) will be crucial in our efforts to conserve marine biodiversity and protect fragile ecosystems. The resilience of these ancient animals serves as a reminder of the intricate connections within our planet's ecosystems and the need for sustainable practices to ensure their survival for future generations.

珊瑚虫，通常被称为海百合或羽状星，是一种迷人的海洋动物，属于棘皮动物门的珊瑚虫纲。这些生物已经存在了数亿年，化石记录可以追溯到寒武纪时期。crinoids（珊瑚虫）这个词源于希腊语中的'krinon'，意为百合，以及'eidos'，意为形状或外观，反映出它们植物般的外观。尽管它们看起来像花，但crinoids（珊瑚虫）实际上是动物，其独特的身体结构包括杯状的花托、手臂和茎。 crinoid（珊瑚虫）的身体通常呈杯状，称为花托，坐落在锚定其底部的茎上。一些物种，如羽状星，没有茎，可以自由游动在水中。crinoids（珊瑚虫）的手臂上排列着管足，用于进食。它们从水中过滤浮游生物和小颗粒，展示了对环境的显著适应。 crinoids（珊瑚虫）最有趣的方面之一是它们在海洋生态系统中的生态角色。它们为各种小生物提供栖息地，并有助于海底的整体生物多样性。此外，它们的存在表明海洋环境健康，因为它们在清洁、富营养的水域中繁荣。 尽管crinoids（珊瑚虫）在古生代时代曾经丰富多样，但由于海洋条件变化和栖息地破坏，它们的数量显著下降。如今，它们可以在各种海洋环境中找到，从浅海沿岸水域到深海栖息地。它们的韧性和适应能力在数百万年的剧烈环境变化中得以体现。 研究crinoids（珊瑚虫）不仅有助于我们理解海洋生命的演变和历史，还提供了对我们海洋健康的见解。科学家们将crinoids（珊瑚虫）用作环境变化的指示器，评估污染、气候变化和栖息地丧失的影响。通过监测它们的种群，研究人员可以收集关于海洋生态系统整体健康的宝贵数据。 总之，crinoids（珊瑚虫）是令人瞩目的生物，它们在植物和动物之间架起了桥梁。它们悠久的进化历史、独特的适应性和生态重要性使它们成为海洋生物学家和爱好者的研究对象。随着我们继续探索和研究我们的海洋，理解crinoids（珊瑚虫）的角色对于保护海洋生物多样性和保护脆弱的生态系统至关重要。这些古老动物的韧性提醒我们，地球生态系统之间的复杂联系和可持续实践的必要性，以确保它们在未来几代人的生存。