rhizoid

简明释义

英[ˈraɪzɔɪd]美[ˈraɪzɔɪd]

adj. 根状的；假根的

n. 假根

英英释义

单词用法

同义词

反义词

例句

1.The form of rhizoid hairs may vary at different growth stages and part of rhizoid forms forked branch on its tip in the later growth stage.

假根毛的各生长阶段形态不同，在生长后期的部分假根毛顶端产生叉状分枝。

2.The form of rhizoid hairs may vary at different growth stages and part of rhizoid forms forked branch on its tip in the later growth stage.

假根毛的各生长阶段形态不同，在生长后期的部分假根毛顶端产生叉状分枝。

3.Some algae have specialized rhizoids for attachment to rocks.

一些藻类具有专门的根状体用于附着在岩石上。

4.The moss uses its rhizoid to anchor itself to the soil.

苔藓利用它的根状体将自己固定在土壤中。

5.The structure of a rhizoid is similar to that of roots in higher plants.

根状体的结构与高等植物的根相似。

6.In aquatic environments, the rhizoid helps the plant stay submerged.

在水生环境中，根状体帮助植物保持浸没状态。

7.The rhizoid of the fungus absorbs nutrients from the substrate.

真菌的根状体从基质中吸收养分。

作文

In the world of botany, the term rhizoid refers to a root-like structure that anchors certain types of plants, particularly non-vascular plants like mosses and liverworts. These structures are not true roots but serve a similar purpose by helping to secure the plant to the substrate, whether it be soil, rocks, or other surfaces. Understanding the role of rhizoids is essential for appreciating how these plants survive in various environments.Plants with rhizoids typically thrive in moist, shaded areas where they can absorb water and nutrients directly from their surroundings. Unlike vascular plants that have complex root systems, non-vascular plants rely on rhizoids for stability and moisture retention. This adaptation allows them to inhabit environments that might be too harsh for other types of vegetation.The structure of rhizoids varies among different species. For instance, in mosses, rhizoids are filamentous and often branched, providing a broad surface area for absorption. In contrast, liverworts may have flat, ribbon-like rhizoids that spread out over the substrate. Despite their differences, all rhizoids serve the primary function of anchoring the plant and facilitating water uptake.The ecological importance of rhizoids cannot be overstated. They play a crucial role in soil formation and stabilization. As rhizoids anchor plants to the ground, they help prevent soil erosion, especially in areas prone to heavy rainfall or wind. Additionally, the presence of rhizoids contributes to the development of a microhabitat that supports various microorganisms, which in turn enriches the soil.Moreover, rhizoids are significant in the study of plant evolution. They represent an early adaptation to terrestrial life, showcasing how plants transitioned from aquatic environments to land. By examining the structure and function of rhizoids, scientists can gain insights into the evolutionary processes that have shaped plant life over millions of years.In practical terms, understanding rhizoids can also benefit gardening and conservation efforts. For example, when cultivating moss gardens or restoring habitats, recognizing the role of rhizoids can guide the selection of appropriate plant species and their placement within the environment. This knowledge helps ensure that plants establish themselves effectively and contribute to the overall health of the ecosystem.In conclusion, the term rhizoid encapsulates a fascinating aspect of plant biology. These root-like structures are vital for the survival of non-vascular plants, playing a key role in anchoring them to their substrates and facilitating moisture absorption. By understanding rhizoids, we can appreciate the intricate relationships between plants and their environments, as well as the evolutionary milestones that have allowed plants to thrive on land. The study of rhizoids not only enhances our knowledge of botany but also underscores the importance of preserving diverse plant species and their habitats for future generations.

在植物学的世界中，术语rhizoid指的是一种类似根的结构，它锚定某些类型的植物，特别是非维管植物，如苔藓和肝藓。这些结构不是实际的根，但起着类似的作用，通过帮助将植物固定在基质上，无论是土壤、岩石还是其他表面。理解rhizoids的作用对于欣赏这些植物如何在各种环境中生存至关重要。带有rhizoids的植物通常在潮湿、阴暗的地方茁壮成长，在那里它们可以直接从周围环境中吸收水分和养分。与拥有复杂根系的维管植物不同，非维管植物依靠rhizoids来获得稳定性和保持水分。这种适应使它们能够栖息在对其他类型植被可能过于严酷的环境中。rhizoids的结构因物种而异。例如，在苔藓中，rhizoids呈丝状，通常是分支的，提供了广泛的吸收表面积。相反，肝藓可能有扁平的、带状的rhizoids，在基质上蔓延。尽管它们存在差异，但所有rhizoids都具有锚定植物和促进水分摄取的主要功能。rhizoids的生态重要性不容小觑。它们在土壤形成和稳定中发挥着关键作用。当rhizoids将植物固定在地面时，它们帮助防止土壤侵蚀，尤其是在容易遭受强降雨或风的地区。此外，rhizoids的存在有助于微生境的发展，支持各种微生物，这反过来又丰富了土壤。此外，rhizoids在植物进化研究中也具有重要意义。它们代表了向陆地生活的早期适应，展示了植物如何从水生环境过渡到陆地。通过研究rhizoids的结构和功能，科学家可以深入了解塑造植物生命的进化过程。在实际层面上，理解rhizoids也可以有利于园艺和保护工作。例如，在培养苔藓花园或恢复栖息地时，认识到rhizoids的作用可以指导适当植物物种的选择及其在环境中的放置。这种知识有助于确保植物有效地扎根并为生态系统的整体健康做出贡献。总之，术语rhizoid概括了植物生物学的一个迷人方面。这些类似根的结构对于非维管植物的生存至关重要，在将它们锚定到基质和促进水分吸收方面发挥着关键作用。通过理解rhizoids，我们可以欣赏植物与其环境之间复杂的关系，以及使植物能够在陆地上繁衍生息的进化里程碑。对rhizoids的研究不仅增强了我们对植物学的知识，也强调了保护多样植物物种及其栖息地的重要性，以供后代使用。