antennule

简明释义

英[ænˈtenjuːl]美[ænˈtenjʊl]

n. [无脊椎] 小触角；小触须

英英释义

单词用法

同义词

反义词

例句

1.The surface structures of the antennule of white shrimp, Penaeus vannamei , were observed in detail with light and scanning electron microscope.

应用光学显微镜和扫描电子显微镜观察了凡纳对虾小触角的表面结构。

2.The surface structures of the antennule of white shrimp, Penaeus vannamei, were observed in detail.

对南美白对虾触角的表面结构进行了详细的观察。

3.The surface structures of the antennule of white shrimp, Penaeus vannamei , were observed in detail with light and scanning electron microscope.

应用光学显微镜和扫描电子显微镜观察了凡纳对虾小触角的表面结构。

4.In many crustaceans, the antennule plays a crucial role in navigation.

在许多甲壳类动物中，触角在导航中起着至关重要的作用。

5.Researchers studied how the antennule functions in different species of lobsters.

研究人员研究了不同种类龙虾中触角的功能。

6.The antennule helps detect chemical signals in the water.

该触角有助于探测水中的化学信号。

7.The crab uses its antennule to sense the surrounding environment.

螃蟹用它的触角来感知周围环境。

8.During mating, the male shrimp waves its antennule to attract females.

在交配期间，雄性虾挥动它的触角来吸引雌性。

作文

In the fascinating world of biology, the study of various organisms often reveals intricate structures and adaptations that serve essential functions for survival. One such structure is the antennule, which plays a crucial role in the sensory perception of many aquatic animals, particularly crustaceans. The antennule (触角) is a pair of short, antenna-like appendages located on the head of these creatures. Unlike their longer counterparts, the antennae, antennules are primarily responsible for detecting chemical signals in the water, helping the animals navigate their environment and find food. The anatomy of the antennule is quite fascinating. It is typically segmented and equipped with numerous sensory receptors that can pick up on minute changes in the chemical composition of the water. This ability is vital for survival, as it allows crustaceans to locate prey, avoid predators, and even communicate with one another. For instance, when a shrimp detects a change in water chemistry, it can quickly ascertain whether there is food nearby or if it should be cautious of potential threats. In addition to their role in chemical detection, antennules also assist in other sensory functions. They can help these animals maintain balance and orientation in the often turbulent waters they inhabit. The sensitivity of the antennule to environmental cues is remarkable; it enables crustaceans to thrive in diverse aquatic ecosystems, from shallow coastal waters to the deep sea. The evolutionary significance of the antennule cannot be understated. Over millions of years, various species have adapted their antennules to suit their specific ecological niches. For example, some species have developed elongated antennules that enhance their ability to detect pheromones released by potential mates, thereby increasing their reproductive success. Others may have shorter, more robust antennules that are better suited for navigating through dense vegetation or rocky substrates. Moreover, the study of antennules extends beyond just crustaceans. Many other marine organisms, such as certain types of mollusks and fish, possess similar structures that serve analogous purposes. This convergence in evolutionary design highlights the importance of sensory perception in aquatic environments, where visibility is often limited, and chemical cues play a pivotal role in survival. In conclusion, the antennule (触角) is a remarkable adaptation that underscores the complexity of life in aquatic ecosystems. Its multifaceted functions, ranging from chemical detection to aiding in balance, illustrate how organisms have evolved to meet the challenges of their environments. Understanding the significance of antennules not only enhances our appreciation of biodiversity but also emphasizes the intricate relationships between form, function, and survival in the natural world.