epigeal

简明释义

英[ˌɛpɪˈdʒiəl]美[ˌɛpɪˈdʒiəl]

[植] 贴地生长的

[植] 生于地上的

英英释义

单词用法

同义词

反义词

例句

1.The results of different tree species at the same stage indicated that most of the tropical seedlings are epigeal, leafy and opposite;

结果表明：大多数热带树木幼苗萌发方式为子叶出土、子叶叶状对生；

2.The results of different tree species at the same stage indicated that most of the tropical seedlings are epigeal, leafy and opposite;

结果表明：大多数热带树木幼苗萌发方式为子叶出土、子叶叶状对生；

3.Most of the tropical seedlings are epigeal.

大部分热带树种的实生苗为子叶出土。

4.The plant's roots are primarily epigeal 地上生长的, allowing it to absorb nutrients from the surface soil.

该植物的根主要是地上生长的，使其能够从表层土壤中吸收养分。

5.In an epigeal 地上生长的 habitat, many species of insects thrive due to the availability of food sources.

在一个地上生长的栖息地中，由于食物来源的丰富，许多昆虫种类繁荣生长。

6.The epigeal 地上生长的 growth form of this plant allows it to compete effectively for sunlight.

这种植物的地上生长的生长形式使其能够有效竞争阳光。

7.Some fungi exhibit epigeal 地上生长的 characteristics, emerging above ground to reproduce.

一些真菌表现出地上生长的特征，出现在地面上以繁殖。

8.The epigeal 地上生长的 nature of these shrubs makes them ideal for landscaping.

这些灌木的地上生长的特性使它们非常适合园林美化。

作文

The study of plant biology often leads us to explore various adaptations that enable plants to thrive in diverse environments. One fascinating aspect of this exploration is the concept of epigeal germination, which refers to the process where seeds germinate above the soil surface. This phenomenon is particularly interesting because it highlights the unique strategies that certain plants employ to enhance their chances of survival and growth. In many ecosystems, the competition for resources such as light, water, and nutrients is fierce. Plants that undergo epigeal germination have adapted to this reality by ensuring that their cotyledons, or seed leaves, emerge above the ground shortly after germination. This allows them to quickly access sunlight, which is crucial for photosynthesis. For example, species like beans and sunflowers exhibit epigeal germination, where the stem elongates rapidly, pushing the cotyledons up and out of the soil. The advantages of epigeal germination extend beyond just access to light. By emerging above the soil, these plants can also escape the dangers posed by soil pathogens and herbivores that might otherwise threaten their young seedlings. In contrast, plants that undergo hypogeal germination, where the cotyledons remain below the soil surface, may be more vulnerable during their early growth stages. Moreover, epigeal germination plays a critical role in the overall dynamics of plant communities. When these plants sprout early in the growing season, they can establish themselves before other species have a chance to compete for resources. This early establishment can lead to a competitive advantage, allowing epigeal germinators to dominate certain habitats, especially in disturbed areas where conditions are favorable for rapid growth. However, not all environments are conducive to epigeal germination. In regions with frequent droughts or extreme temperatures, plants may opt for hypogeal germination as a survival strategy. By keeping their cotyledons underground, they can protect their vital structures from harsh conditions and conserve moisture. This adaptability showcases the incredible diversity of plant strategies and their responses to environmental pressures. In conclusion, the concept of epigeal germination illustrates the remarkable ways in which plants have evolved to survive and thrive in their environments. Through the ability to emerge above the soil, these plants gain access to essential resources and reduce their vulnerability to threats. Understanding the significance of epigeal germination not only enriches our knowledge of plant biology but also emphasizes the intricate relationships between plants and their ecosystems. As we continue to study these fascinating processes, we gain deeper insights into the resilience and adaptability of life on Earth.

植物生物学的研究常常引导我们探索各种适应性，这些适应性使植物能够在多样的环境中茁壮成长。这个探索的一个迷人方面是epigeal发芽的概念，它指的是种子在土壤表面上发芽的过程。这种现象特别有趣，因为它突显了某些植物采用的独特策略，以增强它们的生存和生长机会。 在许多生态系统中，光、水和养分等资源的竞争非常激烈。经历epigeal发芽的植物通过确保其子叶或种子叶在发芽后迅速出土而适应了这一现实。这使它们能够快速获取阳光，这对光合作用至关重要。例如，像豆类和向日葵这样的物种表现出epigeal发芽，其茎快速伸长，将子叶推到土壤上方。 epigeal发芽的优势不仅限于获取光线。通过在土壤上方生长，这些植物还可以逃避土壤病原体和可能威胁其幼苗的食草动物。因此，与那些经历隐性发芽（即子叶保持在土壤表面以下）的植物相比，这些植物在早期生长阶段可能更不易受到伤害。 此外，epigeal发芽在植物群落的整体动态中也发挥着关键作用。当这些植物在生长季节的早期发芽时，它们可以在其他物种有机会争夺资源之前建立自己。这种早期的建立可以带来竞争优势，使epigeal发芽植物在某些栖息地中占据主导地位，尤其是在条件适合快速生长的干扰区域。 然而，并非所有环境都适合epigeal发芽。在频繁干旱或极端温度的地区，植物可能选择隐性发芽作为生存策略。通过将子叶保持在地下，它们可以保护其重要结构免受恶劣条件的影响并节约水分。这种适应性展示了植物策略的惊人多样性及其对环境压力的反应。 总之，epigeal发芽的概念说明了植物在生存和繁荣环境中的奇妙演变方式。通过能够在土壤上方生长，这些植物获得了获取基本资源的机会，并减少了对威胁的脆弱性。理解epigeal发芽的重要性不仅丰富了我们对植物生物学的知识，还强调了植物与其生态系统之间复杂的关系。随着我们继续研究这些迷人的过程，我们将获得对地球上生命的韧性和适应性的更深入见解。