proterogynous

简明释义

英[/ˌproʊtəˈrɪdʒənəs/]美[/ˌproʊtəˈrɪdʒənəs/]

adj. 雌蕊先熟的，雌性先熟的

英英释义

单词用法

同义词

反义词

例句

1.Various parts of the proterogynous flower developed normally. The petal and stamen primordia were homologous.

花的各部分均发育正常，花瓣原基和雄蕊原基同源；

2.Various parts of the proterogynous flower developed normally. The petal and stamen primordia were homologous.

花的各部分均发育正常，花瓣原基和雄蕊原基同源；

3.In proterogynous species, the social structure often influences the timing of sex change.

在前雌性物种中，社会结构通常影响性别转换的时机。

4.The proterogynous nature of certain coral reef species allows them to adapt to environmental changes more effectively.

某些珊瑚礁物种的前雌性特性使它们能够更有效地适应环境变化。

5.The phenomenon of proterogynous hermaphroditism is observed in several marine animals.

在几种海洋动物中观察到前雌性雌雄同体现象。

6.In some species of fish, the mating system is described as proterogynous, meaning that the females mature before the males.

在某些鱼类中，交配系统被描述为前雌性，这意味着雌性在雄性之前成熟。

7.Studying proterogynous organisms can provide insights into evolutionary strategies in sexual reproduction.

研究前雌性生物可以为性繁殖中的进化策略提供见解。

作文

In the fascinating world of biology, there are numerous terms that describe various reproductive strategies among organisms. One such term is proterogynous, which refers to a specific type of sequential hermaphroditism. In species that exhibit this phenomenon, individuals start their life as females and later transition into males. This unique reproductive strategy has evolved in response to environmental pressures and social structures within certain populations. Understanding proterogynous species provides insight into the complexities of sexual differentiation and reproductive success in the animal kingdom.For instance, many fish species, such as the clownfish and some wrasses, display proterogynous behavior. In these species, when the dominant male in a group dies or is removed, the largest female will undergo a transformation into a male. This change is not only physical but also hormonal, allowing the new male to take over the breeding responsibilities of the group. This fascinating adaptation ensures that there is always a breeding male available, maximizing reproductive opportunities for the group as a whole.The advantages of being proterogynous are evident in environments where sex ratios can be skewed due to various factors, including fishing practices or environmental changes. By having the ability to change sex, these species can maintain stable population dynamics even when external pressures threaten their numbers. This flexibility in gender roles allows for greater resilience and adaptability in fluctuating ecosystems.Moreover, the study of proterogynous species extends beyond just understanding their reproductive strategies; it also raises questions about the evolutionary pathways that lead to such adaptations. Researchers are intrigued by the genetic and environmental triggers that initiate the sex change process. What genes are involved in this remarkable transformation? How do environmental cues influence the timing and success of sex change? These questions fuel ongoing research in evolutionary biology and genetics, shedding light on the intricate relationship between an organism's environment and its reproductive strategies.In conclusion, the concept of proterogynous organisms highlights the diversity of reproductive strategies in nature. By beginning life as females and later transitioning to males, these species demonstrate remarkable adaptability and resilience. The study of proterogynous species not only enhances our understanding of sexual differentiation but also contributes to broader discussions about evolution and ecological balance. As we continue to explore the natural world, terms like proterogynous remind us of the complexity and wonder of life on Earth, encouraging future generations to appreciate and protect the delicate ecosystems that support such diverse forms of life.

在生物学的迷人世界中，有许多术语描述生物体之间的各种繁殖策略。其中一个术语是proterogynous，它指的是一种特定类型的顺序雌雄同体。在表现出这种现象的物种中，个体开始时为雌性，随后转变为雄性。这种独特的繁殖策略是对某些种群中的环境压力和社会结构的响应。理解proterogynous物种有助于我们深入了解动物王国中性别分化和繁殖成功的复杂性。例如，许多鱼类物种，如小丑鱼和一些皱纹鱼，表现出proterogynous行为。在这些物种中，当群体中的主导雄性死亡或被移除时，最大的雌性会经历转变为雄性。这一变化不仅是身体上的，也是激素上的，使新的雄性能够接管群体的繁殖责任。这种迷人的适应确保了始终有一个可供繁殖的雄性，从而最大化整个群体的繁殖机会。成为proterogynous的优势在于，在性别比例因各种因素（包括捕鱼行为或环境变化）而失衡的环境中显而易见。通过具备改变性别的能力，这些物种能够在外部压力威胁其数量时维持稳定的人口动态。这种性别角色的灵活性使它们在波动的生态系统中具有更大的韧性和适应能力。此外，对proterogynous物种的研究不仅限于理解它们的繁殖策略；它还引发了关于导致这种适应的进化路径的问题。研究人员对启动性别变化过程的遗传和环境触发因素感到好奇。哪些基因参与了这一非凡的转变？环境线索如何影响性别变化的时机和成功？这些问题推动了进化生物学和遗传学的持续研究，揭示了生物体环境与其繁殖策略之间复杂的关系。总之，proterogynous生物的概念突显了自然界中繁殖策略的多样性。通过以雌性开始生活，然后转变为雄性，这些物种展示了非凡的适应性和韧性。对proterogynous物种的研究不仅增强了我们对性别分化的理解，还为关于进化和生态平衡的更广泛讨论做出了贡献。当我们继续探索自然世界时，像proterogynous这样的术语提醒我们地球生命的复杂性和奇妙性，鼓励未来的世代欣赏和保护支持如此多样生命形式的脆弱生态系统。