cryptogam

简明释义

英[ˈkrɪptəʊˌɡæm]美[ˈkrɪptəˌɡæm]

n. [植] 隐花植物

英英释义

单词用法

同义词

反义词

例句

1.Later in the war, the curator of the cryptogam herboriam was drafted to Bletchley Park because somebody misread cryptogam – tiny, non-flowering plants – as cryptogram.

战争后期，隐花类草本馆馆长被调到了布莱奇利公园，因为有些人把隐花植物误解为——小型无花植物。

2.Later in the war, the curator of the cryptogam herboriam was drafted to Bletchley Park because somebody misread cryptogam – tiny, non-flowering plants – as cryptogram.

战争后期，隐花类草本馆馆长被调到了布莱奇利公园，因为有些人把隐花植物误解为——小型无花植物。

3.In botanical studies, understanding cryptogam diversity is crucial for ecosystem management.

在植物研究中，理解隐花植物的多样性对生态系统管理至关重要。

4.Some researchers focus on the role of cryptogams in soil formation and stabilization.

一些研究人员专注于隐花植物在土壤形成和稳定中的作用。

5.Mosses are a type of cryptogam, which means they reproduce via spores instead of seeds.

苔藓是一种隐花植物，这意味着它们通过孢子而不是种子繁殖。

6.Many cryptogams are sensitive to environmental changes, making them good indicators of ecological health.

许多隐花植物对环境变化敏感，这使它们成为生态健康的良好指示物。

7.The study of cryptogams includes algae, fungi, and various types of mosses.

对隐花植物的研究包括藻类、真菌和各种类型的苔藓。

作文

In the world of biology, organisms are classified into various categories based on their characteristics and reproductive methods. One such category is that of cryptogam, which refers to plants that reproduce by spores instead of seeds. This group primarily includes ferns, mosses, and algae. Understanding cryptogam is essential for appreciating the diversity of life forms on our planet and their roles in ecosystems.Cryptogams are fascinating because they represent some of the oldest forms of plant life on Earth. They have existed for hundreds of millions of years, long before flowering plants appeared. Their simple reproductive structures and life cycles make them unique among plants. For instance, ferns, a type of cryptogam, have a complex life cycle that includes both a sporophyte and a gametophyte stage. The sporophyte is the familiar leafy plant we see, while the gametophyte is a small, heart-shaped structure that produces gametes.Mosses, another group of cryptogam, thrive in moist environments and play a crucial role in soil formation and moisture retention. They can grow in a variety of habitats, from forests to tundras, and contribute to the ecosystem by providing shelter for small animals and preventing soil erosion. Additionally, mosses are often used as bioindicators, helping scientists assess environmental health.Algae, which are also classified as cryptogam, are incredibly diverse and can be found in almost every aquatic environment. They perform photosynthesis, producing oxygen and serving as the foundation of aquatic food webs. Some algal species can even produce toxins that impact marine life and human health, highlighting the importance of studying these organisms.Understanding cryptogam is not only vital for ecological studies but also for practical applications. For example, in agriculture, researchers are exploring the use of certain mosses and algae to improve soil health and crop yields. Moreover, the study of cryptogam can lead to advancements in biotechnology, such as biofuels derived from algae.Despite their importance, cryptogam populations are under threat from climate change, habitat destruction, and pollution. As temperatures rise and ecosystems change, many species face extinction. Conservation efforts are crucial to protect these ancient organisms and the ecosystems they support.In conclusion, cryptogam encompasses a diverse group of organisms that play significant roles in our ecosystems. From their ancient origins to their modern applications, understanding these fascinating plants enriches our knowledge of biology and highlights the importance of preserving biodiversity. As we continue to explore the natural world, the study of cryptogam will undoubtedly reveal even more about the complexity and interconnectedness of life on Earth.

在生物学的世界中，生物根据其特征和繁殖方式被分类为各种类别。其中一个类别是cryptogam，指的是通过孢子而非种子繁殖的植物。这个群体主要包括蕨类植物、苔藓和藻类。理解cryptogam对于欣赏我们星球上生命形式的多样性及其在生态系统中的作用至关重要。Cryptogam非常迷人，因为它们代表了地球上最古老的植物生命形式之一。它们存在了数亿年，远在开花植物出现之前。它们简单的繁殖结构和生命周期使它们在植物中独树一帜。例如，蕨类植物作为一种cryptogam，具有复杂的生命周期，包括孢子体和配子体阶段。孢子体是我们看到的熟悉的叶子植物，而配子体则是一个小型心形结构，产生配子。苔藓，作为另一种cryptogam，在潮湿环境中茁壮成长，并在土壤形成和水分保持中发挥着关键作用。它们可以在从森林到苔原的各种栖息地中生长，并通过为小动物提供庇护和防止土壤侵蚀来为生态系统做出贡献。此外，苔藓常被用作生物指示物，帮助科学家评估环境健康。藻类，亦被归类为cryptogam，种类繁多，几乎可以在每个水生环境中找到。它们进行光合作用，产生氧气，并作为水生食物网的基础。一些藻类物种甚至可以产生影响海洋生物和人类健康的毒素，这突显了研究这些生物的重要性。理解cryptogam不仅对生态研究至关重要，而且对实际应用也很重要。例如，在农业中，研究人员正在探索某些苔藓和藻类的使用，以改善土壤健康和作物产量。此外，对cryptogam的研究可能导致生物技术的进步，例如利用藻类生产生物燃料。尽管它们的重要性不言而喻，cryptogam种群却面临着气候变化、栖息地破坏和污染的威胁。随着温度上升和生态系统变化，许多物种面临灭绝的风险。保护工作对于保护这些古老生物及其支持的生态系统至关重要。总之，cryptogam涵盖了一组多样的生物，它们在我们的生态系统中发挥着重要作用。从它们古老的起源到现代的应用，理解这些迷人的植物丰富了我们对生物学的知识，并强调了保护生物多样性的重要性。当我们继续探索自然世界时，对cryptogam的研究无疑将揭示更多关于地球上生命的复杂性和相互联系的信息。