kairomones

简明释义

英[ˈkaɪrəˌmoʊnz]美[ˈkaɪrəˌmoʊnz]

n. [植保] 利它素；[生理] 种间激素

英英释义

单词用法

同义词

反义词

例句

1.Scientists have now identified two kairomones produced by a common mosquito predator, which effectively repel mosquitoes.

而利它激素则是在物种间交流信号——通常是用来侦测天敌和猎物，利它激素可以有效的驱赶蚊子。

2.Scientists have now identified two kairomones produced by a common mosquito predator, which effectively repel mosquitoes.

而利它激素则是在物种间交流信号——通常是用来侦测天敌和猎物，利它激素可以有效的驱赶蚊子。

3.Certain fungi produce kairomones 引诱素 that attract specific insects for spore dispersal.

某些真菌产生的kairomones 引诱素能够吸引特定昆虫以帮助孢子传播。

4.Research shows that kairomones 引诱素 play a crucial role in the mating behavior of many species.

研究表明，kairomones 引诱素在许多物种的交配行为中起着至关重要的作用。

5.Predators often rely on kairomones 引诱素 released by their prey to locate them more easily.

捕食者通常依靠猎物释放的kairomones 引诱素来更容易地找到它们。

6.In some cases, plants emit kairomones 引诱素 to attract pollinators when they are in bloom.

在某些情况下，植物在开花时会释放kairomones 引诱素来吸引授粉者。

7.The scent of ripe fruit can attract insects through the release of kairomones 引诱素 that signal a food source.

成熟水果的气味可以通过释放kairomones 引诱素来吸引昆虫，暗示食物来源。

作文

In the intricate web of ecological interactions, the concept of kairomones (诱饵素) plays a significant role in understanding how organisms communicate and interact with one another. These chemical signals are released by one species and can be detected by another, often leading to behavioral changes that benefit the receiver. For example, when a predator releases kairomones, prey species may alter their behavior to avoid becoming a meal. This fascinating phenomenon highlights the importance of chemical communication in the natural world.The study of kairomones is particularly relevant in the context of predator-prey relationships. When a predator is hunting, it may emit certain chemicals that signal danger to nearby prey. In response, these prey animals might increase their vigilance, change their foraging patterns, or even flee to safer locations. This interaction not only showcases the survival strategies of prey but also emphasizes the adaptive nature of predators who have evolved to use these chemical cues to their advantage.Moreover, kairomones are not limited to predator-prey dynamics. They can also facilitate interactions among various species within an ecosystem. For instance, plants can release kairomones in response to herbivory, which can attract natural enemies of the herbivores, such as parasitoids or predators. This indirect defense mechanism allows plants to protect themselves from being consumed while simultaneously supporting the broader food web. Such interactions illustrate the complexity of ecological relationships and the essential role that chemical signals play in maintaining balance within ecosystems.Research into kairomones has practical applications as well. For instance, in agriculture, understanding how these chemical signals work can lead to more effective pest management strategies. Farmers can potentially use synthetic kairomones to lure pests away from crops or to attract beneficial insects that prey on those pests. By harnessing the power of chemical communication, agricultural practices can become more sustainable and environmentally friendly.Furthermore, the implications of kairomones extend beyond ecological studies and agricultural practices; they also touch upon the fields of evolutionary biology and conservation. The evolution of chemical signaling systems, including kairomones, can provide insights into how species adapt to their environments over time. Understanding these adaptations is crucial for conservation efforts, especially as many ecosystems face threats from climate change and habitat destruction.In conclusion, kairomones (诱饵素) represent a vital component of ecological interactions, influencing behaviors and relationships among various organisms. Their role in predator-prey dynamics, plant defenses, and agricultural applications underscores the significance of chemical communication in nature. As research continues to uncover the complexities of these chemical signals, we gain a deeper appreciation for the interconnectedness of life on Earth and the subtle yet powerful ways in which organisms influence one another's survival and success.