thelytokous

简明释义

英[ˌθɛlɪˈtoʊkəs]美[ˌθɛlɪˈtoʊkəs]

adj. 产雌单性生殖的

英英释义

单词用法

同义词

反义词

例句

1.The chestnut gall wasp, Dryocosmus kuriphilus , a thelytokous cynipid, is one of the most serious pests of chestnut trees.

栗瘿蜂为一种孤雌生殖的瘿峰，是危害板栗树的最主要的害虫之一。

2.The chestnut gall wasp, Dryocosmus kuriphilus , a thelytokous cynipid, is one of the most serious pests of chestnut trees.

栗瘿蜂为一种孤雌生殖的瘿峰，是危害板栗树的最主要的害虫之一。

3.Research on thelytokous 雌性生殖 has implications for pest control in agriculture.

对thelytokous 雌性生殖的研究对农业中的害虫控制具有重要意义。

4.Some populations of aphids are known to reproduce via thelytokous 雌性生殖, leading to rapid population growth.

一些蚜虫种群已知通过thelytokous 雌性生殖繁殖，从而导致快速的种群增长。

5.Certain species of wasps exhibit thelytokous 雌性生殖, allowing them to produce female offspring without mating.

某些黄蜂物种表现出thelytokous 雌性生殖，使它们能够在不交配的情况下产生雌性后代。

6.In some species of bees, reproduction occurs through a process known as thelytokous 雌性生殖 parthenogenesis.

在某些蜜蜂物种中，繁殖通过一种被称为thelytokous 雌性生殖的孤雌生殖过程进行。

7.The study of thelytokous 雌性生殖 organisms can provide insights into evolutionary strategies.

对thelytokous 雌性生殖生物的研究可以提供对进化策略的见解。

作文

In the study of biology, particularly in the field of entomology, the term thelytokous refers to a specific type of reproduction where females produce offspring without the involvement of males. This phenomenon is fascinating and showcases the diversity of reproductive strategies in nature. For instance, certain species of bees, wasps, and ants exhibit thelytokous reproduction, allowing them to thrive in environments where male counterparts are scarce or absent. The ability to reproduce parthenogenetically, as thelytokous reproduction is also known, provides these species with a significant evolutionary advantage in terms of survival and population maintenance.The implications of thelytokous reproduction extend beyond mere survival; they also influence the genetic diversity of populations. In typical sexual reproduction, the mixing of genes from two parents leads to greater genetic variability among offspring. However, in thelytokous species, the lack of male contribution can result in a more homogenous gene pool. While this may be beneficial in stable environments, it could pose risks if conditions change drastically, as the population may lack the genetic variation needed to adapt to new challenges.One interesting example of thelytokous reproduction can be observed in the Cape honeybee (Apis mellifera capensis). This bee species has developed a unique reproductive strategy where workers can lay eggs that develop into female offspring without fertilization. This form of reproduction allows the colony to maintain its numbers even when the queen is absent or failing. However, it also leads to conflicts within the colony, as worker bees compete for dominance and control over reproduction.Moreover, thelytokous reproduction is not limited to insects. Some species of reptiles, such as certain lizards and snakes, also exhibit this reproductive strategy. In these cases, females can produce viable eggs that develop into young without the need for male fertilization. This adaptation can be particularly advantageous in isolated environments where finding a mate may be difficult.The study of thelytokous reproduction raises important questions about the role of sexual selection and the evolution of reproductive strategies. Researchers are continually exploring how environmental factors, such as population density and resource availability, influence the prevalence of thelytokous reproduction in various species. Additionally, understanding the genetic mechanisms behind this form of reproduction can shed light on broader evolutionary processes and help us comprehend the complexities of life on Earth.In conclusion, the concept of thelytokous reproduction is a remarkable example of nature's adaptability and the diverse strategies organisms employ to ensure their survival. By examining the implications of this reproductive method, we gain insights into the balance between genetic diversity and survival in changing environments. The study of thelytokous species not only enriches our understanding of biology but also highlights the intricate relationships between organisms and their ecosystems.

在生物学的研究中，特别是在昆虫学领域，术语thelytokous指的是一种特定类型的繁殖，其中雌性在没有雄性参与的情况下产生后代。这种现象令人着迷，展示了自然界中繁殖策略的多样性。例如，某些蜜蜂、黄蜂和蚂蚁的物种表现出thelytokous繁殖，使它们能够在雄性伴侣稀缺或缺失的环境中繁衍生息。无性繁殖的能力，即thelytokous繁殖，也为这些物种提供了显著的进化优势，尤其是在生存和种群维持方面。thelytokous繁殖的影响不仅限于生存，它们还影响种群的遗传多样性。在典型的有性繁殖中，来自两个父母的基因混合导致后代之间的遗传变异更大。然而，在thelytokous物种中，由于缺乏雄性贡献，可能会导致基因库的更均匀。这在稳定的环境中可能是有利的，但如果条件发生剧烈变化，种群可能会缺乏适应新挑战所需的遗传变异，这可能带来风险。一个关于thelytokous繁殖的有趣例子可以在开普蜜蜂（Apis mellifera capensis）中观察到。这种蜜蜂物种发展了一种独特的繁殖策略，工蜂可以产卵，产生不需要受精的雌性后代。这种繁殖方式使得即使在女王缺席或失败的情况下，蜂群也能维持其数量。然而，这也导致了蜂群内部的冲突，因为工蜂争夺主导地位和繁殖控制权。此外，thelytokous繁殖并不限于昆虫。一些爬行动物物种，如某些蜥蜴和蛇，也表现出这种繁殖策略。在这些情况下，雌性可以产生不需要雄性受精的可育卵子，这种适应在寻找配偶困难的孤立环境中尤为有利。对thelytokous繁殖的研究引发了关于性选择和繁殖策略进化的重要问题。研究人员不断探索环境因素，如种群密度和资源可用性，如何影响各种物种中thelytokous繁殖的普遍性。此外，理解这种繁殖方式背后的遗传机制可以揭示更广泛的进化过程，并帮助我们理解地球生命的复杂性。总之，thelytokous繁殖的概念是自然适应性和生物确保生存的多样策略的一个显著例子。通过考察这种繁殖方式的影响，我们获得了关于遗传多样性与在变化环境中生存之间平衡的见解。对thelytokous物种的研究不仅丰富了我们对生物学的理解，还突显了生物体与其生态系统之间错综复杂的关系。