autostylic jaws

简明释义

自接型颌;

英英释义

例句

1.Researchers are investigating the fossil records to understand how autostylic jaws evolved in ancient fish.

研究人员正在调查化石记录，以了解古代鱼类中自支颌是如何演化的。

2.Understanding the mechanics of autostylic jaws can improve our knowledge of vertebrate evolution.

理解自支颌的机制可以增强我们对脊椎动物进化的认识。

3.In evolutionary biology, the development of autostylic jaws is considered a significant adaptation for predation.

在进化生物学中，自支颌的发展被视为捕食的重要适应性变化。

4.The presence of autostylic jaws in certain cartilaginous fish highlights their evolutionary advantages.

某些软骨鱼类中存在的自支颌突显了它们的进化优势。

5.The study of fish anatomy revealed that some species possess autostylic jaws, which allow for a unique feeding mechanism.

对鱼类解剖学的研究表明，一些物种拥有自支颌，这使它们具备独特的摄食机制。

作文

The study of evolutionary biology often reveals fascinating adaptations that various species have developed over time. One such adaptation is the structure of the jaw in certain vertebrates, specifically referred to as autostylic jaws. This term describes a unique jaw configuration found primarily in some primitive fish and early amphibians, where the jaw is directly attached to the skull without the presence of a separate jaw joint. Understanding autostylic jaws is crucial for comprehending how different species have evolved their feeding mechanisms and overall anatomy.To delve deeper into this concept, we must first explore the evolution of jaw structures in vertebrates. The earliest vertebrates, such as jawless fish, had simple structures that were primarily used for filter feeding. As evolution progressed, the development of jaws allowed for more efficient predation and feeding strategies. The transition from jawless to jawed vertebrates marked a significant milestone in evolutionary history. In the case of autostylic jaws, these jaws are characterized by their direct attachment to the cranium. This contrasts with other types of jaw structures, such as hyostylic jaws, where the jaw is connected to the skull via a series of bones. The direct attachment in autostylic jaws provides certain advantages, particularly in terms of stability and strength during feeding. For example, primitive fish like placoderms exhibited this jaw structure, allowing them to grasp and manipulate prey effectively.As we examine the significance of autostylic jaws, it becomes evident that they played a pivotal role in the diversification of feeding strategies among early vertebrates. The ability to capture and consume a wider variety of food sources likely contributed to the success of these species in various ecological niches. Furthermore, studying the morphology of autostylic jaws can offer insights into the evolutionary pressures that shaped the development of more complex jaw structures in later vertebrates, including modern fish, reptiles, and mammals.In conclusion, the term autostylic jaws encapsulates a vital aspect of vertebrate evolution, highlighting the intricate relationship between anatomical adaptations and ecological success. By understanding this unique jaw structure, we gain a better appreciation for the evolutionary journey that has led to the diverse array of species we see today. The study of autostylic jaws not only enriches our knowledge of paleobiology but also underscores the importance of anatomical features in the survival and proliferation of species throughout history.

对进化生物学的研究往往揭示出各种物种随着时间推移而发展出的迷人适应性。其中一种适应性是某些脊椎动物的下颌结构，特别是被称为autostylic jaws的结构。这个术语描述了一种独特的下颌配置，主要存在于一些原始鱼类和早期两栖动物中，其中下颌直接附着在头骨上，而没有单独的下颌关节。理解autostylic jaws对于理解不同物种如何进化它们的捕食机制和整体解剖结构至关重要。要深入探讨这个概念，我们必须首先探索脊椎动物下颌结构的演变。最早的脊椎动物，如无颌鱼，具有简单的结构，主要用于滤食。随着进化的进行，下颌的发展使得更高效的捕食和进食策略成为可能。从无颌到有颌脊椎动物的转变标志着进化历史上的一个重要里程碑。在autostylic jaws的情况下，这些下颌的特点是它们直接附着在颅骨上。这与其他类型的下颌结构形成对比，例如hyostylic jaws，其中下颌通过一系列骨骼连接到头骨。autostylic jaws中的直接连接提供了某些优势，特别是在进食时的稳定性和强度。例如，像甲胄鱼这样的原始鱼类就展现了这种下颌结构，使它们能够有效地抓取和操纵猎物。当我们考察autostylic jaws的重要性时，很明显它们在早期脊椎动物的喂养策略多样化中发挥了关键作用。捕获和消费更广泛的食物来源的能力，可能促进了这些物种在各种生态位中的成功。此外，研究autostylic jaws的形态学可以提供对塑造后期脊椎动物（包括现代鱼类、爬行动物和哺乳动物）更复杂下颌结构的进化压力的见解。总之，术语autostylic jaws概括了脊椎动物进化的一个重要方面，突显了解剖适应特征与生态成功之间复杂的关系。通过理解这一独特的下颌结构，我们对导致今天所看到的多样物种的进化旅程有了更好的认识。对autostylic jaws的研究不仅丰富了我们对古生物学的知识，还强调了解剖特征在物种生存和繁衍中的重要性。