monoecious

简明释义

英[mɒˈniːʃəs]美[moˈniʃəs]

adj. [动][植] 雌雄同株的；[动] 雄雌同体的

英英释义

单词用法

同义词

反义词

例句

1.Any of numerous monoecious deciduous or evergreen trees or shrubs of the genus Quercus, bearing acorns as fruit.

栎属树，栎，橡栎属雌雄同株落叶树或常绿树木或灌木，结橡树果实。

2.One factor within the crown of monoecious species is the proximity of male and female flowers.

雌雄同株树种的树冠内的一个因素，就是雄花和雌花很接近。

3.Luffa is a kind of monoecious melon crop.

丝瓜是一种雌雄异花同株的瓜类作物。

4.A coniferous evergreen monoecious tree (Tsuga canadensis) native from Nova Scotia to Alaska and valuable for its timber, as a pulpwood, for tanning, and as an ornamental.

加拿大铁杉：一种松类雌雄同株的常绿树（加拿大铁杉） ，生长于从新斯科舍省到阿拉斯加的地区，其木料作为纸浆用木材、制革以及装饰物很有价值。

5.Adelgidae has multifarious life history that consist of heteroecious holocyclic, heteroecious anholocyclic and monoecious anholocyclic. Its primary injured symptom is to form galls.

球蚜具有包括异寄主全周期、异寄主不全周期、同寄主不全周期等复杂的生活周期，形成虫瘿是其主要的为害特征；

6.Adelgidae has multifarious life history that consist of heteroecious holocyclic, heteroecious anholocyclic and monoecious anholocyclic. Its primary injured symptom is to form galls.

球蚜具有包括异寄主全周期、异寄主不全周期、同寄主不全周期等复杂的生活周期，形成虫瘿是其主要的为害特征；

7.The study focused on monoecious plants to understand their reproductive strategies.

这项研究集中在单性花植物上，以了解它们的繁殖策略。

8.Gardeners often prefer monoecious plants because they provide more flexibility in pollination.

园丁通常更喜欢单性花植物，因为它们在授粉方面提供了更多的灵活性。

9.Some trees, such as the oak, are monoecious, producing both male catkins and acorns on the same individual.

一些树木，比如橡树，是单性花的，在同一个个体上产生雄花序和橡果。

10.The corn plant is classified as monoecious, meaning it has both male and female flowers on the same plant.

玉米植物被分类为单性花，这意味着它在同一植物上有雄花和雌花。

11.In a monoecious species, like many types of squash, you can find both types of flowers which aids in self-pollination.

在像许多种类的南瓜这样的单性花物种中，你可以找到两种类型的花，这有助于自我授粉。

作文

In the world of botany, understanding the different reproductive strategies of plants is crucial for both conservation and agriculture. One term that often arises in this context is monoecious, which refers to plant species that have both male and female reproductive organs on the same individual. This characteristic allows these plants to self-pollinate or cross-pollinate, providing them with a significant advantage in various environments. For instance, corn (Zea mays) is a well-known example of a monoecious plant, where each ear can produce kernels from both its male tassels and female silks. The advantages of being monoecious are numerous. First, it increases the chances of successful reproduction, especially in areas where pollinators may be scarce. When conditions are not favorable for attracting pollinators, a monoecious plant can still ensure the continuation of its species by self-pollinating. This trait is particularly beneficial for plants growing in isolated locations or in environments where they are surrounded by few other individuals of the same species.Moreover, monoecious plants often exhibit greater genetic diversity than their dioecious counterparts, which have separate male and female individuals. This is because even when self-pollination occurs, there is still the potential for genetic variation through mutations and environmental adaptations. As a result, monoecious plants can better adapt to changing conditions over time, making them more resilient to diseases and climate change.However, there are also challenges associated with being monoecious. For example, if a plant relies too heavily on self-pollination, it may lead to inbreeding depression, which can reduce the overall fitness of the population. In contrast, dioecious plants, which require both male and female individuals for reproduction, often promote greater genetic diversity through cross-pollination. Therefore, while monoecious plants have their advantages, they must also navigate the complexities of genetic health within their populations.In agriculture, the concept of monoecious plants plays a significant role in crop production. Farmers often select monoecious varieties for their fields because they can maximize yield through efficient pollination. Crops like cucumbers and squash are also monoecious, allowing farmers to cultivate them with confidence that they will produce fruit even if pollinator populations fluctuate. This reliability can be crucial for food security, especially in regions where agricultural practices are heavily impacted by environmental changes.In conclusion, the term monoecious embodies a fascinating aspect of plant biology that highlights the complex interplay between reproduction, genetics, and environmental adaptation. Understanding this term not only enriches our knowledge of plant species but also informs agricultural practices and conservation efforts. As we continue to face global challenges such as climate change and habitat loss, recognizing the importance of monoecious plants could help us develop more sustainable approaches to managing our natural resources and ensuring the survival of diverse plant species.

在植物学的世界中，理解植物的不同繁殖策略对于保护和农业至关重要。一个经常出现的术语是单性花植物，它指的是在同一株植物上具有雄性和雌性生殖器官的植物物种。这一特征使这些植物能够自花授粉或异花授粉，为它们在各种环境中提供了显著的优势。例如，玉米（Zea mays）就是一个众所周知的单性花植物的例子，其中每个果穗可以从其雄性花序和雌性花丝中产生果实。作为单性花植物的优点有很多。首先，它增加了成功繁殖的机会，尤其是在授粉者稀少的地区。当吸引授粉者的条件不利时，单性花植物仍然可以通过自花授粉确保其物种的延续。这一特性对于生长在孤立地点或被同种植物的其他个体围绕的环境中的植物尤为有利。此外，单性花植物通常比其雌雄异株的同类表现出更大的遗传多样性，后者拥有独立的雄性和雌性个体。这是因为即使自花授粉发生，仍然存在通过突变和环境适应产生遗传变异的潜力。因此，单性花植物能够更好地适应不断变化的条件，从而使它们对疾病和气候变化更具韧性。然而，作为单性花植物也面临着一些挑战。例如，如果一种植物过于依赖自花授粉，可能导致近亲繁殖衰退，从而降低种群的整体适应能力。相比之下，雌雄异株植物需要同时存在雄性和雌性个体进行繁殖，通常通过异花授粉促进更大的遗传多样性。因此，尽管单性花植物有其优势，但它们还必须应对种群内遗传健康的复杂性。在农业中，单性花植物的概念在作物生产中发挥着重要作用。农民通常选择单性花植物品种来种植，因为它们可以通过高效授粉最大化产量。像黄瓜和南瓜这样的作物也是单性花植物，这使得农民有信心，即使授粉者数量波动，它们也会结出果实。这种可靠性对于食品安全至关重要，尤其是在农业实践受到环境变化严重影响的地区。总之，术语单性花植物体现了植物生物学中一个迷人的方面，突显了繁殖、遗传和环境适应之间的复杂相互作用。理解这一术语不仅丰富了我们对植物物种的知识，还为农业实践和保护工作提供了信息。随着我们继续面临气候变化和栖息地丧失等全球挑战，认识到单性花植物的重要性可能帮助我们制定更可持续的方法来管理自然资源，并确保多样植物物种的生存。