amplexus

简明释义

英[æmˈpleksəs]美[æmˈpleksəs]

n. [脊椎] 抱合（指雌的蛙或蟾产卵于水时雄的蛙或蟾抱合排精的求偶行动）

adj. [植] 环抱的

英英释义

单词用法

同义词

反义词

例句

1.Males accomplish this feat by embracing the object of their affection in a tight mating "hug" called amplexus.

雄蟾蜍要完成这一壮举，必须紧紧拥抱自己的“心上人”，即“抱合”。

2.Males accomplish this feat by embracing the object of their affection in a tight mating "hug" called amplexus.

雄蟾蜍要完成这一壮举，必须紧紧拥抱自己的“心上人”，即“抱合”。

3.During amplexus 抱合, the male often supports the female to facilitate egg-laying.

在amplexus 抱合期间，雄性通常会支持雌性以便于产卵。

4.The researchers documented the amplexus 抱合 patterns of various amphibian species.

研究人员记录了各种两栖动物物种的amplexus 抱合模式。

5.In some species, amplexus 抱合 can last for several hours or even days.

在一些物种中，amplexus 抱合可能持续数小时甚至数天。

6.The male frog performed a typical amplexus 抱合 with the female during the mating season.

雄性青蛙在繁殖季节与雌性进行典型的amplexus 抱合。

7.The biologist observed the amplexus 抱合 behavior of turtles in their natural habitat.

生物学家观察了海龟在其自然栖息地中的amplexus 抱合行为。

作文

In the animal kingdom, many fascinating behaviors can be observed during the mating season. One such behavior is known as amplexus, which refers to a specific mating position used by certain amphibians, particularly frogs and toads. During amplexus, the male frog grasps the female from behind, holding onto her body tightly with his forelimbs. This unique embrace not only facilitates the fertilization process but also ensures that the male is in the best position to fertilize the eggs as they are laid. The duration of amplexus can vary significantly among species, lasting anywhere from a few minutes to several hours, depending on environmental factors and the specific behaviors of the species involved.The significance of amplexus extends beyond mere reproduction. It plays a crucial role in the survival of the species. By ensuring that the male is present during egg-laying, amplexus helps to protect the eggs from potential predators. Additionally, this behavior can increase the likelihood of successful fertilization by allowing the male to be in close proximity when the female releases her eggs into the water. In many cases, the male will even continue to guard the eggs after they have been laid, providing further protection against threats.Moreover, amplexus is not just a simple act of reproduction; it is also a display of strength and fitness. Female frogs often choose their mates based on the male's ability to hold onto them during this embrace. Stronger males are more likely to be selected, as they demonstrate their fitness and capability to provide for the offspring. This selective pressure has led to various adaptations in male frogs, including increased size and strength, which are advantageous traits in the competition for mates.Interestingly, amplexus can also take on different forms depending on the species. For instance, some frogs engage in what is known as "axillary amplexus," where the male grasps the female around her waist, while others may adopt a "inguinal amplexus" position, holding on near the hips. These variations highlight the diversity of reproductive strategies in the amphibian world and underscore the importance of amplexus in the evolutionary success of these species.In conclusion, amplexus is a remarkable example of how animal behavior is intricately linked to reproduction and survival. This unique mating position not only facilitates fertilization but also plays a vital role in protecting the next generation. As we continue to study and understand the complexities of animal behavior, amplexus serves as a reminder of the diverse strategies that life on Earth has developed to ensure the continuation of species. Understanding such behaviors deepens our appreciation for the natural world and highlights the importance of conserving the habitats in which these fascinating creatures live.

在动物王国中，交配季节可以观察到许多迷人的行为。其中一种行为被称为amplexus，指的是某些两栖动物，特别是青蛙和蟾蜍所使用的特定交配姿势。在amplexus期间，雄性青蛙从后面抓住雌性，紧紧地用前肢抱住她的身体。这种独特的拥抱不仅有助于受精过程，还确保雄性能够在雌性产卵时处于最佳位置进行受精。amplexus的持续时间因物种而异，根据环境因素和物种的具体行为，可能持续几分钟到几个小时不等。amplexus的重要性不仅仅体现在繁殖上。它在物种的生存中发挥着至关重要的作用。通过确保雄性在产卵期间的存在，amplexus帮助保护卵子免受潜在捕食者的威胁。此外，这种行为还可以通过使雄性在雌性释放卵子时保持紧密接触，从而增加成功受精的可能性。在许多情况下，雄性甚至会在卵子被产下后继续守护卵子，为其提供进一步的保护。此外，amplexus不仅仅是一个简单的繁殖行为；它也是力量和适应性的展示。雌性青蛙通常根据雄性在这种拥抱中保持抓握的能力来选择配偶。更强壮的雄性更有可能被选中，因为他们展示了自己的适应性和照顾后代的能力。这种选择压力导致雄性青蛙出现各种适应性，包括体型和力量的增加，这些都是在争夺配偶中有利的特征。有趣的是，amplexus根据物种的不同也可能采取不同的形式。例如，一些青蛙会采用所谓的“腋下交配”，雄性在雌性腰部抓握，而其他青蛙可能采用“腹股沟交配”姿势，在臀部附近抓握。这些变化突显了两栖动物世界中繁殖策略的多样性，并强调了amplexus在这些物种进化成功中的重要性。总之，amplexus是动物行为与繁殖和生存之间复杂联系的一个显著例子。这种独特的交配姿势不仅促进了受精，而且在保护下一代方面发挥着重要作用。随着我们继续研究和理解动物行为的复杂性，amplexus提醒我们地球上的生命发展出多样化的策略，以确保物种的延续。理解这些行为加深了我们对自然世界的欣赏，并突显了保护这些迷人生物栖息地的重要性。