edentate

简明释义

英['iːdənteɪt]美[ɪˈdenˌteɪt]

n. [脊椎] 贫齿类动物

adj. 无齿的；贫齿目的，贫齿类的

英英释义

单词用法

同义词

反义词

例句

1.Objective To study the protective effect of sodium calcium edentate on kidney injury in chronic lead poisoning patients.

目的探讨依地酸钙钠驱铅治疗慢性铅中毒患者肾损害的保护作用。

2.Objective To study the protective effect of sodium calcium edentate on kidney injury in chronic lead poisoning patients.

目的探讨依地酸钙钠驱铅治疗慢性铅中毒患者肾损害的保护作用。

3.Large bear sized extinct edentate mammal of the Pleistocene in South America.

生活在更新世南美洲的大型贫齿类哺乳动物，现已灭绝。

4.Large bear sized extinct edentate mammal of the in South America.

生活在更新世南美洲的大型贫齿类哺乳动物，现已灭绝。

5.The sloth is an example of an animal that is classified as edentate.

树懒是一个被分类为无牙的动物例子。

6.Some species of armadillos are also considered edentate due to their lack of teeth.

由于缺乏牙齿，一些种类的犰狳也被认为是无牙的。

7.In zoology, the term edentate refers to mammals that do not have functional teeth.

在动物学中，术语无牙指的是没有功能性牙齿的哺乳动物。

8.The diet of edentate animals often consists of soft foods like fruits and insects.

无牙动物的饮食通常由水果和昆虫等软食组成。

9.Research on edentate species helps us understand evolutionary adaptations.

对无牙物种的研究帮助我们理解进化适应。

作文

In the vast tapestry of life on Earth, every organism plays a unique role, contributing to the intricate web of ecosystems. Among these organisms, there exists a fascinating group known as the edentate animals. The term edentate refers to a category of mammals that are characterized by their lack of teeth or having very few teeth. This group includes species such as anteaters, sloths, and armadillos, which exhibit remarkable adaptations that allow them to thrive in their environments despite their dental limitations. The evolutionary journey of edentate mammals is a testament to nature's ingenuity. For instance, anteaters have evolved elongated snouts and specialized tongues that can extend up to 16 inches, enabling them to efficiently extract ants and termites from their nests. Their lack of teeth is compensated by their unique feeding mechanism, showcasing how adaptation can lead to success even when traditional features like teeth are absent. Sloths, another member of the edentate family, have adapted to a slow-paced lifestyle, feeding primarily on leaves. Their digestive system is highly specialized, allowing them to break down tough plant material without the need for teeth. This adaptation not only highlights the diversity of dietary strategies among mammals but also emphasizes the importance of ecological niches. Sloths move slowly through the trees, conserving energy and avoiding predators, illustrating how the absence of teeth does not hinder survival but rather shapes a unique way of life. Furthermore, armadillos possess a hard shell that serves as protection against predators. Their feeding habits are also tailored to their environment, as they primarily consume insects and small invertebrates, which they can find easily despite their lack of teeth. The adaptability of edentate mammals showcases the incredible variety of evolutionary solutions to the challenges posed by different habitats. The study of edentate animals provides valuable insights into the broader principles of evolution and adaptation. It challenges the conventional notion that certain physical traits, like teeth, are essential for survival. Instead, it reveals that nature often favors diversity and innovation over uniformity. By examining how these mammals have thrived without the typical dental structures, scientists can better understand the complexities of evolutionary biology and the importance of ecological balance. Moreover, the conservation of edentate species is crucial for maintaining biodiversity. As these animals play significant roles in their ecosystems—such as controlling insect populations and aiding in seed dispersal—their decline could have cascading effects on the environment. Protecting their habitats and ensuring their survival is not just about preserving a single species; it is about safeguarding the intricate relationships that sustain life. In conclusion, the world of edentate mammals is a remarkable example of nature’s adaptability and resilience. Their unique characteristics and behaviors challenge our understanding of what it means to survive and thrive in various environments. As we continue to explore the wonders of the natural world, let us appreciate the diversity of life forms, including those that may seem unconventional, like the edentate animals. Their existence reminds us that evolution is not a linear path but a complex journey filled with unexpected turns and innovations.

在地球生命的广阔画卷中，每个生物都扮演着独特的角色，为生态系统的复杂网络做出贡献。在这些生物中，有一类令人着迷的动物被称为edentate动物。术语edentate指的是一种哺乳动物的类别，其特征是缺乏牙齿或只有很少的牙齿。这一组包括蚂蚁食者、树懒和犰狳等物种，它们展现了显著的适应性，使其能够在环境中蓬勃发展，尽管它们在牙齿方面存在局限。 edentate哺乳动物的进化历程证明了自然的巧妙。例如，蚂蚁食者已经进化出细长的嘴部和特殊的舌头，舌头可以延伸到16英寸，能够有效地从蚁窝中提取蚂蚁和白蚁。它们缺乏牙齿的特点被其独特的取食机制所弥补，展示了适应如何在传统特征如牙齿缺失的情况下仍然取得成功。 树懒是另一个edentate家族的成员，已适应于缓慢的生活方式，主要以树叶为食。它们的消化系统高度专业化，使其能够在没有牙齿的情况下分解坚韧的植物材料。这种适应不仅突显了哺乳动物饮食策略的多样性，还强调了生态位的重要性。树懒缓慢移动于树间，节省能量并避免捕食者，说明缺乏牙齿并不妨碍生存，反而塑造了一种独特的生活方式。 此外，犰狳拥有坚硬的外壳，可以保护自己免受捕食者的攻击。它们的觅食习惯也经过调整，主要以昆虫和小型无脊椎动物为食，尽管缺乏牙齿，但它们仍能轻松找到食物。edentate哺乳动物的适应能力展示了对不同栖息地所提出挑战的进化解决方案的惊人多样性。 对edentate动物的研究为我们提供了关于进化和适应更广泛原则的宝贵见解。它挑战了某些身体特征（如牙齿）对生存至关重要的传统观念。相反，它揭示了自然往往偏爱多样性和创新而非单一性。通过考察这些哺乳动物如何在缺乏典型牙齿结构的情况下繁荣，科学家们可以更好地理解进化生物学的复杂性以及生态平衡的重要性。 此外，保护edentate物种对于维护生物多样性至关重要。由于这些动物在其生态系统中扮演着重要角色，例如控制昆虫种群和帮助种子传播，它们的衰退可能会对环境产生连锁反应。保护它们的栖息地并确保它们的生存，不仅是为了保护单一物种，而是为了维护维持生命的复杂关系。 总之，edentate哺乳动物的世界是自然适应性和韧性的一个非凡例证。它们独特的特征和行为挑战了我们对生存和在各种环境中蓬勃发展的定义。随着我们继续探索自然界的奇迹，让我们欣赏生活形式的多样性，包括那些看似不寻常的，如edentate动物。它们的存在提醒我们，进化不是一条线性路径，而是一段充满意外转折和创新的复杂旅程。