homothallic

简明释义

英[ˌhəʊməʊˈθælɪk]美[ˌhoʊməˈθælɪk;ˌhoʊmoʊˈθælɪk;ˌ

adj. 同宗配合的

英英释义

单词用法

同义词

反义词

例句

1.Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite. Compare heterothallism.

同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。

2.Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite. Compare heterothallism.

同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。

3.Researchers have found that homothallic species can adapt more easily to changing environmental conditions.

研究人员发现，同配子体物种能够更容易地适应变化的环境条件。

4.The study of homothallic organisms helps scientists understand the evolution of reproductive strategies.

对同配子体生物的研究帮助科学家理解生殖策略的演化。

5.Certain species of fungi are known to be homothallic, meaning they can reproduce sexually without the need for a partner.

某些种类的真菌被认为是同配子体，这意味着它们可以在没有伴侣的情况下进行有性繁殖。

6.In homothallic plants, self-fertilization can occur, allowing them to produce seeds without cross-pollination.

同配子体植物中，可以发生自花授粉，使它们能够在没有异花授粉的情况下产生种子。

7.Some algae exhibit homothallic behavior, allowing them to thrive in isolated environments.

一些藻类表现出同配子体行为，使它们能够在孤立环境中繁茂生长。

作文

In the world of biology, especially in the study of fungi and algae, the term homothallic is often used to describe a specific type of reproductive strategy. Organisms that are homothallic have the ability to reproduce sexually without the need for a partner. This means that a single organism can produce both male and female gametes, allowing it to self-fertilize and create offspring without the necessity of another individual. This unique capability can be advantageous in environments where mates are scarce or conditions are not favorable for finding a partner.For example, many species of fungi exhibit homothallic reproduction. In these fungi, the presence of both mating types within the same organism allows for genetic diversity even when the population density is low. This self-fertilization can lead to the production of spores that are genetically varied, which may enhance survival in changing environmental conditions.The concept of homothallic reproduction is not limited to fungi; certain algae also display this reproductive strategy. These organisms can thrive in isolated habitats, such as small ponds or temporary water bodies, where the likelihood of encountering another individual is minimal. By being homothallic, they ensure their continuation and can rapidly colonize available resources.However, while homothallic reproduction offers immediate advantages, it also has its downsides. The lack of genetic variation resulting from self-fertilization can make populations vulnerable to diseases and environmental changes. Over time, a population that relies solely on homothallic reproduction may find it difficult to adapt to new challenges, leading to a decline in genetic health.In contrast, organisms that engage in outcrossing, or sexual reproduction with other individuals, benefit from increased genetic diversity. This diversity can enhance the resilience of a population, providing a broader range of traits that may be beneficial under varying environmental pressures. Therefore, while homothallic reproduction can be a useful strategy in certain contexts, it is important to consider the balance between self-fertilization and genetic exchange.In conclusion, the term homothallic describes a fascinating aspect of reproductive biology that highlights the adaptability of certain organisms. Understanding this concept helps to appreciate the complexities of life and the various strategies that different species employ to survive and thrive. As we continue to study these organisms, we gain insights into the evolutionary implications of homothallic reproduction and its role in shaping biodiversity across ecosystems.

在生物学的世界中，尤其是在真菌和藻类的研究中，术语homothallic常用于描述一种特定的繁殖策略。能够进行homothallic繁殖的生物具有在没有伴侣的情况下进行性繁殖的能力。这意味着一个单一的生物可以产生雄性和雌性配子，从而自我授粉，并在不需要其他个体的情况下创造后代。这种独特的能力在伴侣稀缺或条件不利于寻找伴侣的环境中是有利的。例如，许多真菌物种表现出homothallic繁殖。在这些真菌中，同一生物内存在两种交配类型，使其能够即使在人口密度较低的情况下也能实现遗传多样性。这种自我授粉可以产生基因多样化的孢子，这可能增强在变化环境条件下的生存能力。homothallic繁殖的概念并不限于真菌；某些藻类也展示了这种繁殖策略。这些生物可以在孤立的栖息地中茁壮成长，例如小池塘或临时水体，在这些地方遇到其他个体的可能性很小。通过成为homothallic，它们确保了自己的延续，并能够迅速占领可用资源。然而，尽管homothallic繁殖提供了直接的优势，但它也有其缺点。由于自我授粉导致的遗传变异缺乏，可能使种群易受疾病和环境变化的影响。随着时间的推移，依赖于homothallic繁殖的种群可能会发现难以适应新的挑战，从而导致遗传健康的下降。相比之下，进行异交或与其他个体进行性繁殖的生物则受益于增加的遗传多样性。这种多样性可以增强种群的韧性，提供更广泛的特征范围，这些特征在不同的环境压力下可能是有益的。因此，虽然在某些情况下，homothallic繁殖可以是一种有用的策略，但考虑自我授粉与基因交换之间的平衡也是重要的。总之，术语homothallic描述了生物繁殖生物学的一个迷人方面，突显了某些生物的适应性。理解这一概念有助于欣赏生命的复杂性以及不同物种为生存和繁荣所采用的各种策略。随着我们继续研究这些生物，我们获得了对homothallic繁殖的进化意义及其在塑造生态系统生物多样性中的作用的深入见解。