anisogamy

简明释义

英[ˌænaɪˈsɒɡəmi]美[ænɪˈsɑːɡəmi]

n. 异性配子结合；[胚] 异配生殖；异形配对

英英释义

单词用法

同义词

反义词

例句

1.The concept of anisogamy helps explain the differences in reproductive strategies between males and females.

异配生殖的概念有助于解释雄性和雌性之间生殖策略的差异。

2.Many species exhibit anisogamy, where the male gamete is much smaller than the female gamete.

许多物种表现出异配生殖，其中雄性配子远小于雌性配子。

3.In certain algae, anisogamy can be observed, with large eggs and small sperm.

在某些藻类中，可以观察到异配生殖，即大卵子和小精子。

4.The evolutionary significance of anisogamy lies in its impact on sexual selection.

异配生殖的进化意义在于其对性选择的影响。

5.In biology, anisogamy refers to the fusion of gametes that are of different sizes.

在生物学中，异配生殖指的是大小不同的配子融合。

作文

Anisogamy, defined as the fusion of two gametes that differ in size and form, plays a crucial role in the understanding of sexual reproduction across various species. In the realm of biology, the concept of anisogamy (异配生殖) is essential for explaining how different reproductive strategies have evolved. Unlike isogamy, where gametes are of similar size and shape, anisogamy involves the combination of a larger, usually immobile egg and a smaller, motile sperm. This difference in gamete size leads to various evolutionary implications, particularly concerning parental investment and mating strategies.The evolutionary significance of anisogamy (异配生殖) can be observed in the mating behaviors of many organisms. For instance, in species exhibiting anisogamy (异配生殖), females often invest more energy in producing larger eggs, while males produce numerous smaller sperm. This disparity results in different reproductive strategies; females tend to be more selective in choosing mates, as their investment is significantly higher. Consequently, males may compete for access to females, leading to the development of secondary sexual characteristics such as elaborate displays or aggressive behaviors.Furthermore, the implications of anisogamy (异配生殖) extend beyond individual mating strategies. The evolutionary arms race between male and female reproductive interests can drive the emergence of complex social structures and mating systems. For example, in some species, females may choose mates based on traits that signal genetic fitness, while males may evolve traits that enhance their attractiveness or competitiveness. This dynamic interplay highlights the importance of anisogamy (异配生殖) in shaping not only reproductive strategies but also social behaviors within species.In addition to its biological implications, anisogamy (异配生殖) has sparked interest in the field of evolutionary psychology. Researchers have explored how these reproductive differences influence human mating preferences and behaviors. For instance, studies suggest that men and women may prioritize different traits when selecting partners, reflecting the underlying principles of anisogamy (异配生殖). Men often seek youth and physical attractiveness, which can indicate fertility, while women may prioritize resource availability and stability, aligning with their larger investment in offspring.The study of anisogamy (异配生殖) also raises important questions about the future of sexual reproduction. With advancements in reproductive technologies, such as in vitro fertilization, the traditional roles associated with gamete production and parental investment may shift. As society continues to evolve, so too might our understanding of anisogamy (异配生殖) and its implications for human relationships and family structures.In conclusion, anisogamy (异配生殖) is a fundamental concept in biology that provides insights into the complexities of sexual reproduction and the evolutionary pressures shaping reproductive strategies. By examining the differences in gamete size and the resulting implications for mate selection and parental investment, we gain a deeper understanding of not only the natural world but also our own behaviors and preferences. As research continues to unfold, the significance of anisogamy (异配生殖) will undoubtedly remain a topic of interest across various scientific disciplines.

异配生殖，定义为两种在大小和形态上不同的配子结合，在理解各种物种的性繁殖中起着至关重要的作用。在生物学领域，异配生殖是解释不同繁殖策略如何演变的基本概念。与等配生殖不同，等配生殖中配子的大小和形状相似，而异配生殖则涉及一个较大、通常不动的卵子和一个较小、活动的精子。这种配子大小的差异导致了多种进化影响，特别是在父母投资和交配策略方面。异配生殖的进化意义可以在许多生物的交配行为中观察到。例如，在表现出异配生殖的物种中，雌性往往投入更多的能量来生产较大的卵子，而雄性则产生大量较小的精子。这种差异导致不同的繁殖策略；雌性往往在选择配偶时更加挑剔，因为她们的投资显著更高。因此，雄性可能会竞争获得雌性的接触，从而导致次级性特征的发展，如华丽的展示或攻击性行为。此外，异配生殖的影响超越了个体的交配策略。雄性和雌性生殖利益之间的进化军备竞赛可以推动复杂社会结构和交配系统的出现。例如，在某些物种中，雌性可能根据信号遗传适应性的特征选择配偶，而雄性可能进化出增强其吸引力或竞争力的特征。这种动态的相互作用突显了异配生殖在塑造不仅是繁殖策略，还有物种内社会行为中的重要性。除了生物学意义，异配生殖也在进化心理学领域引发了兴趣。研究人员探索了这些生殖差异如何影响人类的交配偏好和行为。例如，研究表明，男性和女性在选择伴侣时可能优先考虑不同的特征，反映了异配生殖的基本原则。男性通常寻求年轻和身体吸引力，这可以表明生育能力，而女性可能优先考虑资源可用性和稳定性，这与她们对后代的更大投资相一致。异配生殖的研究还提出了关于性繁殖未来的重要问题。随着生殖技术的进步，如体外受精，传统的与配子生产和父母投资相关的角色可能会发生变化。随着社会的不断演变，我们对异配生殖及其对人际关系和家庭结构的影响的理解也可能会发生变化。总之，异配生殖是生物学中的一个基本概念，为我们提供了对性繁殖复杂性的洞察以及塑造繁殖策略的进化压力的理解。通过考察配子大小的差异及其对配偶选择和父母投资的影响，我们不仅深入了解自然界，还深入了解我们自己的行为和偏好。随着研究的不断展开，异配生殖的重要性无疑将继续成为各科学科中的一个关注话题。