allogamy

简明释义

英[əˈlɒɡəmi]美[əˈlɑːɡəmi]

n. 异体受精，异花受粉

英英释义

单词用法

同义词

反义词

例句

1.It is a plant of allogamy and its pollination relies on honey bee mainly, honey bee visiting was influenced by its genetics and environment.

紫花苜蓿影响蜜蜂拜访数量与遗传及环境因子有关，我国的研究仍处在对授粉现象的观察，并没有深入到分子水平方面的研究。

2.It is a plant of allogamy and its pollination relies on honey bee mainly, honey bee visiting was influenced by its genetics and environment.

紫花苜蓿影响蜜蜂拜访数量与遗传及环境因子有关，我国的研究仍处在对授粉现象的观察，并没有深入到分子水平方面的研究。

3.The study of allogamy helps scientists understand plant reproduction.

对异交的研究帮助科学家理解植物繁殖。

4.Understanding the mechanisms of allogamy can aid in conservation efforts.

理解异交的机制可以帮助保护工作。

5.Certain species rely heavily on allogamy for survival in changing environments.

某些物种在变化的环境中严重依赖异交以求生存。

6.Farmers often encourage allogamy in their crops to improve yields.

农民通常鼓励他们的作物进行异交以提高产量。

7.In many flowering plants, allogamy is essential for genetic diversity.

在许多开花植物中，异交对遗传多样性至关重要。

作文

In the study of botany and genetics, the term allogamy refers to a reproductive process where fertilization occurs between different individuals rather than self-fertilization. This phenomenon is crucial for maintaining genetic diversity within plant populations. The importance of allogamy can be observed in various species of flowering plants, where cross-pollination plays a fundamental role in their reproductive success.Plants that exhibit allogamy often have specialized structures or mechanisms to promote cross-fertilization. For instance, many flowering plants have evolved traits such as distinct male and female flowers, or they may produce pollen at different times to prevent self-pollination. This adaptation not only ensures that the genetic material from two different parents is combined but also enhances the chances of creating offspring that are better suited to survive in changing environmental conditions.The ecological significance of allogamy cannot be overstated. By encouraging genetic mixing, it helps create a more resilient population capable of adapting to diseases, pests, and climate changes. For example, crops that rely on allogamy tend to have higher yields and better quality produce compared to those that self-fertilize. This principle is particularly important in agriculture, where farmers often cultivate hybrid varieties that benefit from the advantages of cross-fertilization.Moreover, allogamy also plays a vital role in the evolutionary processes of species. Through the introduction of new genetic variations, it allows populations to explore a wider range of adaptations. Over time, this can lead to speciation, where new species emerge due to the accumulation of genetic differences. In this way, allogamy contributes not only to the survival of individual species but also to the overall biodiversity of ecosystems.Despite its advantages, allogamy can also present challenges. For instance, in environments where pollinators are scarce, plants that depend on allogamy may struggle to reproduce effectively. This reliance on external agents for reproduction can make them vulnerable to habitat loss and environmental changes. Therefore, understanding the dynamics of allogamy is essential for conservation efforts aimed at protecting endangered plant species and their habitats.In conclusion, allogamy is a significant biological process that fosters genetic diversity and resilience among plant populations. Its implications extend beyond individual species to influence agricultural practices and ecosystem health. As we continue to study and appreciate the complexities of plant reproduction, the role of allogamy will remain a critical area of focus in both scientific research and practical applications. By recognizing the value of allogamy, we can better understand the intricate relationships that sustain life on our planet.

在植物学和遗传学研究中，术语异花授粉指的是一种生殖过程，其中受精发生在不同个体之间，而不是自我授粉。这种现象对维持植物种群的遗传多样性至关重要。异花授粉的重要性可以在各种开花植物物种中观察到，其中交叉授粉在其繁殖成功中起着基础性作用。表现出异花授粉的植物通常具有特殊的结构或机制以促进交叉受精。例如，许多开花植物已经进化出一些特征，如不同的雄性和雌性花，或者它们可能在不同的时间产生花粉以防止自我授粉。这种适应不仅确保来自两个不同父母的遗传物质结合，还增强了创造更适合在变化环境条件下生存的后代的机会。异花授粉的生态意义不容小觑。通过鼓励遗传混合，它有助于创造一个更具韧性的种群，能够适应疾病、害虫和气候变化。例如，依赖于异花授粉的作物通常比自我授粉的作物产量更高，产品质量更好。这个原则在农业中尤其重要，农民经常培育受益于交叉授粉优势的杂交品种。此外，异花授粉在物种的进化过程中也扮演着重要角色。通过引入新的遗传变异，它使种群能够探索更广泛的适应范围。随着时间的推移，这可能导致物种形成，即由于遗传差异的积累而出现新物种。通过这种方式，异花授粉不仅有助于个别物种的生存，还促进了生态系统的整体生物多样性。尽管有其优点，异花授粉也可能带来挑战。例如，在授粉者稀缺的环境中，依赖于异花授粉的植物可能会在有效繁殖上面临困难。这种对外部代理进行繁殖的依赖使它们容易受到栖息地丧失和环境变化的影响。因此，理解异花授粉的动态对于保护濒危植物物种及其栖息地的保护工作至关重要。总之，异花授粉是一个重要的生物过程，促进植物种群的遗传多样性和韧性。其影响不仅限于个别物种，还影响农业实践和生态系统健康。随着我们继续研究和欣赏植物繁殖的复杂性，异花授粉的作用将始终是科学研究和实际应用中的关键关注领域。通过认识到异花授粉的价值，我们可以更好地理解维持我们星球生命的复杂关系。