photokinesis

简明释义

英[ˌfoʊtəʊkɪˈniːsɪs]美[ˌfoʊtəʊkɪˈniːsɪs]

光动态

英英释义

单词用法

同义词

反义词

例句

1.The major species of pests had stronger photokinesis and sociability.

曲虫主要种群都具有较强的趋光性和群集性。

2.The major species of pests had stronger photokinesis and sociability.

曲虫主要种群都具有较强的趋光性和群集性。

3.The study of photokinesis reveals how light can influence the movement of certain microorganisms.

对光动性的研究揭示了光如何影响某些微生物的运动。

4.In plants, photokinesis plays a crucial role in directing growth towards sunlight.

在植物中，光动性在引导向阳光生长方面起着至关重要的作用。

5.Researchers observed that the photokinesis of bacteria was enhanced in brighter environments.

研究人员观察到，在更明亮的环境中，细菌的光动性增强。

6.Some species of insects exhibit photokinesis by moving towards light sources to find food.

一些昆虫种类通过向光源移动来寻找食物，表现出光动性。

7.The phenomenon of photokinesis can be utilized in designing light-sensitive devices.

可以利用光动性现象设计光敏设备。

作文

In the fascinating world of biology, the term photokinesis refers to the movement of organisms in response to light. This phenomenon is particularly evident in certain types of microorganisms and plants, which exhibit behaviors that are directly influenced by the intensity and direction of light. Understanding photokinesis not only enriches our knowledge of biological processes but also highlights the intricate relationship between living organisms and their environment. One of the most striking examples of photokinesis can be observed in the behavior of some algae. These tiny organisms often move toward light sources, a behavior known as positive phototaxis. When exposed to varying light conditions, they adjust their movements to optimize photosynthesis, the process through which they convert light energy into chemical energy. This adaptation is crucial for their survival, as it allows them to thrive in environments where light availability fluctuates. Similarly, photokinesis can be seen in certain insects, such as moths. Moths are known to navigate using natural light sources, like the moon. However, artificial lights can disrupt this behavior, leading to what is commonly referred to as 'light traps.' The instinctive attraction of moths to light is a fascinating aspect of photokinesis, showcasing how essential light is for their navigation and survival. Plants also exhibit behaviors that can be classified under photokinesis. For instance, many plants will bend or grow towards a light source, a phenomenon known as phototropism. While phototropism specifically refers to directional growth, it is closely related to photokinesis as both involve responses to light. This ability to respond to light helps plants maximize their exposure to sunlight, enhancing their ability to perform photosynthesis and grow efficiently. Moreover, the study of photokinesis has significant implications for understanding ecosystems and the interactions within them. By examining how various species respond to light, researchers can gain insights into the dynamics of food webs, predator-prey relationships, and the overall health of an ecosystem. For example, if a particular plant species exhibits strong photokinesis, it may outcompete others for light, thereby influencing the diversity and composition of the surrounding flora. In recent years, scientists have also explored the potential applications of photokinesis in technology and medicine. For instance, understanding how organisms utilize light could inspire innovations in bioengineering, such as developing light-responsive materials or enhancing agricultural practices through optimized lighting conditions. Additionally, studying photokinesis may lead to advancements in therapies that harness light for healing purposes, showcasing the interdisciplinary nature of this concept. In conclusion, photokinesis is a remarkable biological phenomenon that underscores the importance of light in the lives of various organisms. From algae to insects and plants, the ability to move or grow in response to light is vital for survival and adaptation. As we continue to explore the intricacies of photokinesis, we not only deepen our understanding of biology but also open doors to potential innovations that can benefit society at large. The interplay between light and life is a testament to the wonders of nature, reminding us of the delicate balance that sustains ecosystems and the myriad forms of life within them.

在生物学的迷人世界中，术语光运动指的是生物体对光的反应性运动。这种现象在某些类型的微生物和植物中尤为明显，它们表现出直接受光的强度和方向影响的行为。理解光运动不仅丰富了我们对生物过程的知识，还突显了生物体与其环境之间错综复杂的关系。 一个最引人注目的光运动例子可以在某些藻类的行为中观察到。这些微小的生物通常会朝向光源移动，这种行为被称为正向光趋性。当暴露于不同的光条件下时，它们会调整自己的运动以优化光合作用，即将光能转化为化学能的过程。这种适应对于它们的生存至关重要，因为它使它们能够在光照条件波动的环境中茁壮成长。 同样，某些昆虫（如蛾子）也展示了光运动的行为。蛾子以自然光源（如月亮）为导航。然而，人工光源可能会干扰这种行为，导致通常所称的“光诱捕”。蛾子对光的本能吸引是光运动的一个迷人方面，展示了光对它们导航和生存的重要性。 植物也表现出可以归类为光运动的行为。例如，许多植物会弯曲或朝向光源生长，这种现象称为光向性。虽然光向性专门指的是方向性生长，但它与光运动密切相关，因为两者都涉及对光的反应。这种对光的响应能力帮助植物最大化其阳光暴露，增强其进行光合作用和高效生长的能力。 此外，研究光运动对理解生态系统及其内部相互作用具有重要意义。通过考察各种物种如何对光作出反应，研究人员可以深入了解食物网的动态、捕食者与猎物的关系，以及生态系统的整体健康。例如，如果某种植物物种表现出强烈的光运动，它可能会在光照竞争中胜过其他植物，从而影响周围植物的多样性和组成。 近年来，科学家们还探索了光运动在技术和医学中的潜在应用。例如，理解生物体如何利用光可以激发生物工程的创新，如开发光响应材料或通过优化光照条件提高农业实践。此外，研究光运动可能会导致利用光进行治疗的进步，展示了这一概念的跨学科性质。 总之，光运动是一个非凡的生物现象，强调了光在各种生物生活中的重要性。从藻类到昆虫和植物，响应光的移动或生长能力对生存和适应至关重要。随着我们继续探索光运动的复杂性，我们不仅加深了对生物学的理解，还为可能惠及社会的创新打开了大门。光与生命之间的相互作用是自然奇观的见证，提醒我们维持生态系统及其内各种生命形式的微妙平衡。