phanerogam
简明释义
n. [植] 显花植物
英英释义
A phanerogam is a type of plant that reproduces by means of seeds and has visible reproductive structures, such as flowers or cones. | 显花植物是一种通过种子繁殖并具有可见生殖结构(如花或球果)的植物。 |
单词用法
被子植物是一种显花植物。 | |
裸子植物也被归类为显花植物。 | |
显花植物分类 | |
显花植物繁殖 |
同义词
种子植物 | Phanerogams are distinguished from cryptogams, which reproduce via spores. | 显花植物与隐花植物的区别在于前者通过种子繁殖。 | |
种子植物 | 种子植物包括裸子植物和被子植物。 |
反义词
隐花植物 | 隐花植物包括蕨类植物、苔藓和藻类。 |
例句
1.Studies of effects of S genes on self-incompatibility in phanerogam have been the focus since the first S gene (S-locus glycoprotein, SLG) was identified.
当第一个S位点基因发现之后,对于它在植物中自交不亲和信号转导途径中的研究就成为热点。
2.Studies of effects of S genes on self-incompatibility in phanerogam have been the focus since the first S gene (S-locus glycoprotein, SLG) was identified.
当第一个S位点基因发现之后,对于它在植物中自交不亲和信号转导途径中的研究就成为热点。
3.The study of phanerogam plants has revealed their importance in ecological systems.
对显花植物的研究揭示了它们在生态系统中的重要性。
4.The phanerogam family includes flowering plants that produce seeds.
显花植物家族包括产生种子的开花植物。
5.Botanists classify phanerogam species based on their reproductive structures.
植物学家根据繁殖结构对显花植物物种进行分类。
6.Many phanerogam species are crucial for providing oxygen in our atmosphere.
许多显花植物物种对提供我们大气中的氧气至关重要。
7.In the garden, we planted several types of phanerogam to enhance biodiversity.
在花园里,我们种植了几种类型的显花植物以增强生物多样性。
作文
In the vast world of botany, one can find a multitude of plant classifications that help us understand the diversity of life on Earth. Among these classifications, the term phanerogam refers to a group of plants that are characterized by their ability to produce seeds and have visible reproductive structures. This group includes flowering plants, which are known for their vibrant colors and complex structures, as well as gymnosperms, such as conifers, which bear seeds directly on cones rather than in fruits. The study of phanerogams is essential for understanding ecosystems, agriculture, and even medicine, as many of these plants have significant roles in human life.Phanerogams are divided into two main categories: angiosperms and gymnosperms. Angiosperms are the most diverse group of plants, encompassing over 250,000 species. They are unique because their seeds are enclosed within a fruit, which aids in protection and dispersal. Examples include everything from roses to wheat. On the other hand, gymnosperms, which include species like pine trees and cycads, have seeds that are not enclosed in an ovary. Instead, they are often found exposed on the surface of cone scales. This distinction is crucial when studying plant reproduction and evolution.The significance of phanerogams extends beyond their biological classification. They play a critical role in the environment by contributing to oxygen production through photosynthesis, providing food and habitat for countless organisms, and influencing climate regulation. For instance, forests dominated by phanerogams help sequester carbon dioxide, thereby mitigating climate change. Furthermore, many phanerogams are integral to human agriculture, as they provide staple crops that are essential for food security.In addition to their ecological importance, phanerogams also have a rich history in traditional medicine. Many cultures have relied on various species of flowering plants for their healing properties. For example, the bark of the willow tree, a phanerogam, has been used for centuries to relieve pain and reduce fever due to its salicylic acid content, which is a precursor to aspirin. This highlights how understanding phanerogams can lead to advancements in pharmacology and healthcare.Despite their importance, phanerogams face numerous threats from human activity, including deforestation, pollution, and climate change. Conservation efforts are vital to protect these plants and their habitats. Initiatives such as reforestation, sustainable agriculture, and the establishment of protected areas can help preserve the rich diversity of phanerogams for future generations. Education and awareness about the significance of these plants can also foster a greater appreciation and commitment to their conservation.In conclusion, the study of phanerogams offers invaluable insights into the natural world and our place within it. By understanding their classifications, ecological roles, and uses, we can better appreciate the complexity of life on Earth. As we continue to face environmental challenges, it is crucial to recognize the importance of phanerogams and work towards their preservation. Through collective effort, we can ensure that these remarkable plants continue to thrive and support the myriad forms of life that depend on them.
在植物学的广阔世界中,我们可以发现许多植物分类,这些分类帮助我们理解地球生命的多样性。在这些分类中,术语显花植物指的是一类植物,它们的特征是能够产生种子并具有可见的生殖结构。该组包括开花植物,以其鲜艳的颜色和复杂的结构而闻名,以及裸子植物,如松树,种子直接生长在锥体上,而不是在果实中。研究显花植物对于理解生态系统、农业甚至医学至关重要,因为这些植物在人的生活中扮演着重要角色。显花植物分为两个主要类别:被子植物和裸子植物。被子植物是植物中最为多样化的一组,包含超过25万种。它们的独特之处在于它们的种子被包裹在果实中,这有助于保护和传播。例如,从玫瑰到小麦的所有植物。另一方面,裸子植物,包括松树和苏铁等物种,其种子不被包裹在子房内。相反,它们通常暴露在锥体鳞片的表面。这一区别在研究植物繁殖和进化时至关重要。显花植物的重要性不仅仅体现在它们的生物分类上。它们通过光合作用为环境做出重要贡献,提供食物和栖息地给无数生物,并影响气候调节。例如,由显花植物主导的森林有助于固定二氧化碳,从而减缓气候变化。此外,许多显花植物对人类农业至关重要,因为它们提供了对粮食安全至关重要的主食作物。除了生态重要性外,显花植物在传统医学中也有着丰富的历史。许多文化依赖于各种开花植物的治愈特性。例如,柳树的树皮是一种显花植物,几个世纪以来一直被用来缓解疼痛和降低发烧,因为它含有水杨酸,这是阿司匹林的前体。这突显了理解显花植物如何推动药理学和医疗保健的进步。尽管它们的重要性,显花植物面临着来自人类活动的众多威胁,包括森林砍伐、污染和气候变化。保护工作对于保护这些植物及其栖息地至关重要。植树造林、可持续农业和建立保护区等举措可以帮助保护显花植物的丰富多样性,以造福未来世代。提高对这些植物重要性的教育和意识也可以促进更大的欣赏和保护承诺。总之,研究显花植物为我们提供了对自然世界及我们在其中位置的宝贵见解。通过了解它们的分类、生态角色和用途,我们可以更好地欣赏地球生命的复杂性。随着我们继续面临环境挑战,认识到显花植物的重要性并致力于保护它们至关重要。通过共同努力,我们可以确保这些非凡的植物继续繁荣,并支持依赖它们的无数生命形式。