precocial

简明释义

英[prɪˈkəʊʃ(ə)l]美[preˈkoʊʃəl;priˈkoʊʃəl]

adj. 早熟性的

英英释义

单词用法

同义词

反义词

例句

1.The Chinese civilization based on the extremely unenlightened level of productivity, science and culture inevitably bears the character of being precocial.

肇基于生产力水平和科技文化极端落后时代的中华文明，不可避免地带有早熟性。

2.The Chinese civilization based on the extremely unenlightened level of productivity, science and culture inevitably bears the character of being precocial.

肇基于生产力水平和科技文化极端落后时代的中华文明，不可避免地带有早熟性。

3.Objective To investigate the X ray features of precocial congenital skeletal syphilis.

目的探讨先天性早发型骨梅毒x线表现及其特点。

4.Ducklings are often considered precocial 早熟的 because they can swim and forage for food almost immediately.

小鸭子通常被认为是precocial 早熟的，因为它们几乎可以立即游泳和觅食。

5.In contrast to precocial 早熟的 species, altricial species require more parental care after birth.

与precocial 早熟的物种相比，依赖性物种在出生后需要更多的父母照顾。

6.The precocial 早熟的 nature of some mammals allows them to be more independent soon after birth.

一些哺乳动物的precocial 早熟的特性使它们在出生后很快就能独立。

7.The precocial 早熟的 development of certain reptiles allows them to survive in harsh environments.

某些爬行动物的precocial 早熟的发展使它们能够在恶劣环境中生存。

8.Many bird species are classified as precocial 早熟的, meaning their chicks can walk and feed themselves shortly after hatching.

许多鸟类被归类为precocial 早熟的，这意味着它们的雏鸟在孵化后不久就能走路和自己觅食。

作文

In the animal kingdom, various species exhibit different types of developmental strategies, particularly when it comes to the care of their young. One fascinating term that encapsulates a specific type of development is precocial. Animals that are described as precocial are those that are relatively mature and mobile from the moment of birth or hatching. This characteristic stands in stark contrast to altricial animals, which are born in a more helpless state and require significant parental care before they can thrive independently.Take, for example, the case of ducklings. When they hatch, they are already covered in down feathers and can walk, swim, and feed themselves shortly after emerging from their eggs. This ability to move and forage right away is a clear advantage in their natural habitats, where predators are always a looming threat. The precocial nature of these birds allows them to quickly adapt to their surroundings and reduce the time spent vulnerable to predation.Similarly, many species of ungulates, such as deer and horses, also display precocial traits. A foal, for instance, can stand and run within hours of birth. This rapid development is crucial for survival, as it enables the young to keep up with their mothers and evade potential threats from predators. In environments where speed and agility are essential for survival, being precocial can mean the difference between life and death.The evolutionary advantages of precocial development are evident in the way these species manage their reproductive strategies. Since precocial young require less intensive care from their parents, it allows for a broader range of ecological niches to be occupied. For instance, a mother who has precocial offspring can invest less time in nurturing and more time in foraging for food or defending against predators. This strategy often leads to higher survival rates for the young, as they can quickly integrate into their environment and begin to fend for themselves.However, it's important to recognize that the precocial strategy is not without its challenges. While these young animals may be more independent at birth, they still face numerous dangers in their early days. The world is filled with risks, and even the most precocial of species must navigate threats from larger predators, environmental hazards, and competition for resources. Thus, while their early independence is beneficial, it does not guarantee survival. In conclusion, the concept of precocial development highlights the incredible diversity of reproductive strategies in the animal kingdom. It showcases how different species have adapted to their environments and the challenges they face. Understanding terms like precocial allows us to appreciate the complexities of animal behavior and the intricate balance of ecosystems. As we observe these remarkable adaptations, we gain insight into the evolutionary processes that shape life on Earth, reminding us of the delicate interplay between independence and vulnerability in the natural world.

在动物王国中，各种物种表现出不同类型的发展策略，特别是在幼崽的照顾方面。一个引人入胜的术语是precocial，用来描述那些在出生或孵化时相对成熟且能活动的动物。这一特征与那些出生时更加无助、需要大量父母照顾才能独立生存的幼崽形成鲜明对比。以小鸭子为例。当它们孵化时，已经覆盖着绒毛，能够在出壳后不久就走路、游泳和觅食。这种能够立即移动和觅食的能力在它们的自然栖息地中是一个明显的优势，因为捕食者始终是一个潜在威胁。这些鸟类的precocial特性使它们能够迅速适应环境，并减少在捕食风险下的脆弱时间。同样，许多偶蹄动物，如鹿和马，也展现出precocial特征。例如，小马驹在出生后的几个小时内就能站立和奔跑。这种快速的发展对于生存至关重要，因为这使得幼崽能够跟上母亲的脚步，并躲避潜在的捕食者。在速度和敏捷性对生存至关重要的环境中，成为precocial的动物可以意味着生死之间的区别。Precocial发展的进化优势在这些物种管理其繁殖策略的方式中显而易见。由于precocial幼崽需要的父母照顾较少，这使得它们能够占据更广泛的生态位。例如，一位拥有precocial后代的母亲可以花更少的时间进行抚养，而将更多的时间用于觅食或抵御捕食者。这种策略通常导致幼崽的生存率更高，因为它们可以迅速融入环境并开始自给自足。然而，值得注意的是，precocial策略并不是没有挑战。尽管这些年轻动物在出生时可能更加独立，但在早期仍面临许多危险。世界充满了风险，即使是最precocial的物种也必须应对来自大型捕食者、环境危害和资源竞争的威胁。因此，尽管它们的早期独立性是有益的，但并不能保证生存。总之，precocial发展的概念突显了动物王国中繁殖策略的惊人多样性。它展示了不同物种如何适应其环境及其面临的挑战。理解像precocial这样的术语使我们能够欣赏动物行为的复杂性和生态系统的微妙平衡。当我们观察这些显著的适应时，我们对塑造地球生命的进化过程有了更深入的了解，提醒我们自然界中独立性与脆弱性之间的微妙关系。