echinoderms

简明释义

英[ˌɛkɪˈnɒdɜrmz]美[ˌɛkɪˈnɒdɜrmz]

n. [无脊椎] 棘皮动物

英英释义

单词用法

同义词

反义词

例句

1.More than half of Southeast Asia's coral species diversity is found in the South China Sea. 75 species of sponges and 118 species of echinoderms in the South China Sea are endemic.

东南亚的珊瑚种类有超过一半的分布在南中国海，75种的海绵以及118种的棘皮类动物属于南中国海的地方特有种。

2.More than half of Southeast Asia's coral species diversity is found in the South China Sea. 75 species of sponges and 118 species of echinoderms in the South China Sea are endemic.

东南亚的珊瑚种类有超过一半的分布在南中国海，75种的海绵以及118种的棘皮类动物属于南中国海的地方特有种。

3.They estimate that the global production from all echinoderms is over a tenth (0.1) of a gigatonne of carbon per year --that is, more than a hundred thousand million kilograms.

他们估计，全球每年出自所有棘皮动物的产物超过一亿吨碳，也就是超过一千亿公斤。

4.A nontoxic dye highlights water currents surrounding sea urchins off Vancouver Island, British Columbia. These small, spiny echinoderms are found in oceans all over the world.

大不列颠哥伦比亚温哥华岛沿岸，无毒的染料包围了一只海胆。这些小无脊椎棘突动物在全世界的海洋中都可以找到。

5.A survey has revealed 168 species of finfish, 60 species of cnidaria, including corals, eight molluscs, 14 sponges, 11 echinoderms, 15 arthropods and eight annelid worms.

一项调查研究显示，这里有168种长须鲸，包括珊瑚在内的60种刺胞动物、8种软体动物、14种海绵、11种棘皮类动物、15种节肢动物和8种a环节蠕虫。

6.Though they are commonly called starfish, these animals are not fish at all. They are echinoderms, closely related to sea urchins.

虽然它们通常被称为海星，这些动物不是鱼，它们是棘皮动物，与海胆密切相关。

7.Echinoderms are now considered as a biological and geological model that underlies researches of primary importance.

棘皮动物现在被认为是生物和地质模型，头等重要的基础研究。

8.Popularlyknown as starfish, sea stars are actually echinoderms, closely relatedto sea urchins and sand dollars.

海星实际上是棘皮动物，和海胆和饼海胆是近亲。

9.But echinoderms apparently deliver more carbon to the sediments than do forams, for example.

举例来说，棘皮动物传送到海底的碳明显比有孔虫多。

10.These small, spiny echinoderms are found in oceans all over the world.

这些小的，多刺的棘皮动物能够找到在全世界的海洋。

11.Many marine biologists study echinoderms to understand their unique regenerative abilities.

许多海洋生物学家研究棘皮动物以了解它们独特的再生能力。

12.Starfish are one of the most recognizable types of echinoderms found in tide pools.

海星是潮汐池中最容易识别的棘皮动物之一。

13.The diet of many echinoderms includes algae, mollusks, and other small marine organisms.

许多棘皮动物的饮食包括藻类、软体动物和其他小型海洋生物。

14.Research on echinoderms can provide insights into evolutionary biology.

对棘皮动物的研究可以为进化生物学提供见解。

15.Some species of echinoderms have the ability to regenerate lost limbs.

一些棘皮动物物种具有再生失去肢体的能力。

作文

Echinoderms are a fascinating group of marine animals that belong to the phylum Echinodermata. This diverse group includes creatures such as starfish, sea urchins, and sea cucumbers. The term echinoderms (海绵动物) is derived from the Greek words 'echinos' meaning spiny and 'derma' meaning skin, which aptly describes their characteristic tough, spiny skin. Echinoderms are unique not only because of their physical attributes but also due to their remarkable biological features. One of the most striking characteristics of echinoderms (海绵动物) is their radial symmetry. Unlike most animals that exhibit bilateral symmetry, echinoderms (海绵动物) display a body plan that is organized around a central axis. This means that their body parts are arranged in a circular pattern, which allows them to interact with their environment from all directions. For example, a starfish has five arms radiating from a central disc, giving it a symmetrical appearance. Another interesting aspect of echinoderms (海绵动物) is their water vascular system. This unique system is a network of fluid-filled canals that helps in locomotion, feeding, and respiration. Through this hydraulic system, echinoderms (海绵动物) can extend and retract their tube feet, allowing them to move across the ocean floor or cling to rocks. The tube feet are often equipped with suction capabilities, which enhance their ability to capture prey and navigate their habitat. The reproductive strategies of echinoderms (海绵动物) are equally intriguing. Many species are capable of both sexual and asexual reproduction. For instance, starfish can regenerate lost arms, and in some cases, an entire new individual can grow from a single arm. This regenerative ability is not only vital for their survival but also showcases the incredible adaptability of echinoderms (海绵动物) in various environments. Echinoderms play a crucial role in marine ecosystems. They contribute to the health of coral reefs and help maintain the balance of marine life. For example, sea urchins are known to graze on algae, preventing overgrowth that could suffocate corals. However, when their populations are unchecked, they can cause significant damage to these ecosystems. Therefore, understanding the biology and ecology of echinoderms (海绵动物) is essential for conservation efforts. In conclusion, echinoderms (海绵动物) are a remarkable group of animals with unique features that distinguish them from other marine life. Their radial symmetry, water vascular system, and reproductive capabilities make them a subject of interest for scientists and nature enthusiasts alike. As we continue to explore the mysteries of the ocean, the study of echinoderms (海绵动物) offers valuable insights into the complexity and interconnectedness of marine ecosystems. Protecting these creatures and their habitats is vital for maintaining the health of our oceans and the biodiversity they support.