altricial

简明释义

英[ælˈtrɪʃəl]美[æltˈrɪʃl]

adj. 需要母鸟照顾一段时期（照顾期）的

英英释义

单词用法

同义词

反义词

例句

1.It's that if you're altricial, you can learn and change.

如果你是晚成雏，你可以学习并改变。

2.And he said that humans, we are super altricial.

他说，人类就是超级晚成雏。

3.It's that if you're altricial, you can learn and change.

如果你是晚成雏，你可以学习并改变。

4.In many cases, altricial 依赖型的 young require weeks or months of care before they can fend for themselves.

在许多情况下，依赖型的幼崽需要数周或数月的照顾才能独立生活。

5.The altricial 依赖型的 development stage is crucial for species like songbirds.

对于像鸣禽这样的物种而言，依赖型的发育阶段至关重要。

6.The altricial 依赖型的 nature of mammalian offspring requires extensive parental care.

哺乳动物幼崽的依赖型的特性需要大量的父母照顾。

7.Many bird species are considered altricial 依赖型的 because their young are born blind and helpless.

许多鸟类被认为是依赖型的，因为它们的幼崽出生时是盲目且无助的。

8.Unlike precocial animals, altricial 依赖型的 animals rely on their parents for food and protection.

与早熟动物不同，依赖型的动物依赖父母提供食物和保护。

作文

In the world of biology, the term altricial refers to species that are born in a relatively undeveloped state and require significant parental care and nurturing to survive. This characteristic is particularly evident in many mammals and birds. For instance, puppies and kittens are examples of altricial young; they are born blind, deaf, and helpless, relying entirely on their mothers for warmth, food, and protection. This contrasts with precocial species, which are born in a more advanced state and can often walk or feed themselves shortly after birth.The concept of altricial development has important implications for the survival strategies of different species. In environments where resources are abundant, being altricial can be advantageous. Parents can invest time and energy into raising a smaller number of offspring, ensuring that each one has a better chance of survival. For example, many bird species exhibit altricial traits; their chicks hatch naked and helpless, requiring constant feeding and warmth from their parents. The parents must work tirelessly to provide for their young until they develop the skills necessary to fend for themselves.Moreover, the altricial nature of some species allows for greater parental bonding and social learning. Young animals learn vital survival skills from their parents during the caregiving period. This learning process is crucial, as it enables the young to acquire knowledge about their environment, potential dangers, and how to find food. In this way, altricial species often have a more extended developmental phase, which can lead to stronger family units and social structures.However, being altricial also comes with risks. The reliance on parental care means that if something were to happen to the parent, the young may not survive. This vulnerability can be a significant factor in the life cycle of altricial species. For example, if a mother bird is unable to find enough food due to environmental changes, her chicks may starve. This dependency highlights the delicate balance of ecosystems where these species exist.In conclusion, the term altricial encapsulates a fascinating aspect of developmental biology. It describes a strategy that relies heavily on parental investment and care, allowing young animals to grow and learn in a supportive environment. As we study various species, understanding the implications of being altricial versus precocial can provide insight into their behaviors, survival strategies, and adaptations to their environments. This knowledge is essential for conservation efforts, as it helps us appreciate the complexities of animal life and the importance of protecting their habitats to ensure their survival in an ever-changing world.

在生物学的世界中，术语altricial指的是以相对未发育状态出生的物种，这些物种需要大量的父母照顾和培养才能生存。这一特征在许多哺乳动物和鸟类中尤为明显。例如，小狗和小猫就是altricial幼崽的例子；它们出生时是盲目的、失聪的，而且无助，完全依赖母亲提供温暖、食物和保护。这与早熟（precocial）物种形成对比，后者在出生时处于更为先进的状态，通常能在出生后不久就能行走或自我进食。altricial发育的概念对不同物种的生存策略具有重要意义。在资源丰富的环境中，成为altricial可能是有利的。父母可以将时间和精力投入到抚养较少数量的后代中，从而确保每个后代都有更好的生存机会。例如，许多鸟类表现出altricial特征；它们的雏鸟出生时赤裸无毛且无助，需要父母不断喂养和保暖。父母必须不懈努力为幼鸟提供食物，直到它们发展出独立生存所需的技能。此外，一些物种的altricial特性使得父母与幼崽之间能够建立更强的亲子关系和社会学习。幼动物在照顾期间向父母学习生存的重要技能。这一学习过程至关重要，因为它使幼崽能够获得关于其环境、潜在危险和寻找食物的方法的知识。通过这种方式，altricial物种往往具有更长的发育阶段，这可能导致更强的家庭单位和社会结构。然而，成为altricial也伴随着风险。对父母照顾的依赖意味着如果发生意外，幼崽可能无法生存。这种脆弱性可能是altricial物种生命周期中的一个重要因素。例如，如果一只母鸟由于环境变化无法找到足够的食物，她的雏鸟可能会饿死。这种依赖性突显了这些物种存在的生态系统的微妙平衡。总之，术语altricial概括了发育生物学的一个迷人方面。它描述了一种高度依赖父母投资和照顾的策略，使幼动物能够在支持性环境中成长和学习。当我们研究各种物种时，理解成为altricial与早熟之间的影响可以为我们提供关于它们的行为、生存策略和适应环境的见解。这一知识对于保护工作至关重要，因为它帮助我们欣赏动物生活的复杂性以及保护它们栖息地以确保它们在不断变化的世界中生存的重要性。