copepods
简明释义
n. 桡足类；挠脚类
英英释义
单词用法
同义词
| 浮游动物 | Copepods are a major component of zooplankton in aquatic ecosystems. | 桡足类是水生生态系统中浮游动物的主要组成部分。 | |
| 甲壳类 | Many fish species rely on crustaceans like copepods for their diet. | 许多鱼类依赖像桡足类这样的甲壳类作为食物。 |
反义词
| 捕食者 | 像鱼和鲸这样的捕食者以桡足类为食。 | ||
| 大型海洋动物 | Larger marine animals often compete with copepods for food resources. | 大型海洋动物通常与桡足类竞争食物资源。 |
例句
1.Third stage zoae(Z_3)could prey on the copepods nauplii, and the feeding amount was increased with the increasing density of the nauplii(P<0.01).
期中华绒螯蟹溞状幼体可捕食桡足类无节幼体，且捕食量随着无节幼体密度增加而变大（P<0.01）；
2.The change of temperature can affect the tolerant range of salinity of copepods.
温度的变化可改变动物的耐盐范围。
3.The results indicated that different copepods at same natural acclimated temperature and specific copepod at different initial acclimated temperature had different thermal tolerance capability.
结果表明，不同生物在相同适温条件下和同种生物在不同适温条件下的热耐受能力均存在差异。
4.Copepods are microscopic relatives of shrimp and lobsters.
桡脚类动物是虾和龙虾的亲戚关系在显微镜下。
5.Some essential nutrients necessary for reproduction of copepods are insufficient in diatom cells.
高浓度硅藻对桡足类繁殖的抑制机制。
6.The feature of eggs and its hatching rate of 19 species of plank tonic copepods common in Xiamen waters were investigated.
在厦门海区，调查了19种常见的自由产卵的浮游桡足类卵型及其孵化率。
7.The results indicated that different copepods at same natural acclimated temperature and specific copepod at different initial acclimated temperature had different thermal tolerance capability.
结果表明，不同生物在相同适温条件下和同种生物在不同适温条件下的热耐受能力均存在差异。
8.As diatoms have shells made of silica they are protected from copepods and so are more likely to die without being eaten and thus take take their carbon to the ocean floor.
因为硅藻有着能够保护他们遭到饶足类动物食用的壳，因此他们能够带更多的碳到海底。
9.The abundance of copepods 桡足类动物 can indicate the health of marine environments.
大量的copepods 桡足类动物 可以指示海洋环境的健康状况。
10.In marine ecosystems, copepods 桡足类动物 are crucial as they form a significant part of the food web.
在海洋生态系统中，copepods 桡足类动物 是食物链的重要组成部分。
11.Many fish species rely on copepods 桡足类动物 as a primary food source during their early life stages.
许多鱼类依赖于copepods 桡足类动物 作为幼年阶段的主要食物来源。
12.Scientists use copepods 桡足类动物 in experiments to study the effects of climate change on marine life.
科学家在实验中使用copepods 桡足类动物 来研究气候变化对海洋生物的影响。
13.Researchers studied the behavior of copepods 桡足类动物 to understand their role in nutrient cycling.
研究人员研究了copepods 桡足类动物 的行为，以了解它们在营养循环中的作用。
作文
Copepods are tiny crustaceans that play a crucial role in aquatic ecosystems. They are among the most abundant multicellular organisms on Earth, found in both marine and freshwater environments. The term 'copepod' refers to a diverse group of small crustaceans belonging to the class Copepoda. These creatures are typically less than a millimeter in size, making them nearly invisible to the naked eye. Despite their small size, copepods (桡足类动物) are vital components of the food web, serving as a primary food source for many fish and other aquatic animals.One of the fascinating aspects of copepods (桡足类动物) is their remarkable adaptability. They can thrive in various environments, from the open ocean to deep-sea trenches, and even in temporary ponds. This adaptability allows them to occupy different ecological niches. Some species are free-swimming, while others are planktonic, drifting with currents. Their ability to reproduce quickly also contributes to their success in diverse habitats. In optimal conditions, a single female copepod (桡足类动物) can produce hundreds of eggs within a short period.The ecological importance of copepods (桡足类动物) cannot be overstated. They act as a bridge between primary producers, like phytoplankton, and higher trophic levels, such as fish and marine mammals. By grazing on phytoplankton, copepods (桡足类动物) help regulate algal blooms, which can be detrimental to aquatic environments if left unchecked. Furthermore, they are an essential food source for various fish species, including commercially important ones like herring and mackerel. The health of fish populations is often linked to the abundance and diversity of copepods (桡足类动物) in their habitats.In addition to their ecological roles, copepods (桡足类动物) have garnered interest in scientific research. Researchers study these organisms to understand the impacts of climate change on marine ecosystems. As the ocean warms and acidifies, the distribution and abundance of copepods (桡足类动物) may change, potentially affecting the entire food web. Monitoring copepod (桡足类动物) populations can provide valuable insights into the health of marine environments and the effects of human activities on aquatic life.Furthermore, copepods (桡足类动物) are also being explored for their potential in aquaculture. Their high nutritional value makes them an excellent live feed for young fish and other aquatic organisms. By incorporating copepods (桡足类动物) into aquaculture practices, farmers can enhance the growth and survival rates of their stock.In conclusion, copepods (桡足类动物) are more than just tiny creatures floating in our waters; they are essential players in the aquatic ecosystem. Their role as primary consumers, their adaptability, and their significance in scientific research and aquaculture highlight their importance. Understanding and protecting these small but mighty organisms is crucial for maintaining the health of our aquatic environments and ensuring sustainable fisheries for future generations.
