ceratopsians

简明释义

英[ˌsɛrəˈtɒpsiənz]美[ˌsɛrəˈtɑpsiənz]

角龙类

英英释义

单词用法

同义词

反义词

例句

1.In one popular group of dinosaurs - the ceratopsians - the debates are coming to a head, literally.

有关角龙类这一很活跃的恐龙群体的争论已经达到了顶点。

2.In one popular group of dinosaurs - the ceratopsians - the debates are coming to a head, literally.

有关角龙类这一很活跃的恐龙群体的争论已经达到了顶点。

3.Many ceratopsians were herbivores, feeding primarily on low-lying plants.

许多角龙类是食草动物，主要以低矮植物为食。

4.Paleontologists have discovered new fossils that provide insight into the behavior of ceratopsians.

古生物学家发现了新化石，这为了解角龙类的行为提供了线索。

5.The frills and horns of ceratopsians likely served as defense mechanisms against predators.

角龙类的饰边和角可能作为抵御捕食者的防御机制。

6.Children love to learn about ceratopsians in their dinosaur classes.

孩子们喜欢在他们的恐龙课上学习关于角龙类的知识。

7.The museum's dinosaur exhibit features several species of ceratopsians.

博物馆的恐龙展览展示了几种角龙类物种。

作文

The world of dinosaurs is vast and fascinating, filled with creatures that roamed the Earth millions of years ago. Among these ancient beings, one particularly intriguing group is the ceratopsians. The term ceratopsians refers to a clade of herbivorous dinosaurs characterized by their unique skull features, including large frills and horns. This group includes well-known species such as Triceratops and Styracosaurus, which have captured the imagination of both scientists and the public alike. Ceratopsians first appeared in the Late Jurassic period and became prominent during the Cretaceous period. They were primarily found in what is now North America, although fossils have been discovered in other parts of the world, indicating their widespread presence. The adaptations of ceratopsians allowed them to thrive in various environments, from lush forests to arid plains. Their herbivorous diet meant they played a crucial role in their ecosystems, helping to shape the vegetation and influence the habitats around them.One of the most striking features of ceratopsians is their elaborate cranial ornamentation. These dinosaurs sported a variety of horn shapes and sizes, which likely served multiple purposes. Some paleontologists believe that the horns and frills were used for defense against predators, while others suggest they played a role in social interactions or mating displays. The diversity in horn structure among different species suggests that these features could have been important for species recognition as well.The anatomy of ceratopsians is also noteworthy. They possessed strong beaks and grinding teeth, which allowed them to effectively process tough plant material. Their robust bodies and powerful limbs indicate that they were well-adapted to a terrestrial lifestyle, capable of moving efficiently across various terrains. Fossil evidence shows that some ceratopsians grew to impressive sizes, with Triceratops reaching lengths of up to 30 feet and weighing several tons.Paleontologists have made significant discoveries related to ceratopsians over the years, shedding light on their behavior and biology. For instance, fossilized remains have been found in groups, suggesting that these dinosaurs may have lived in herds, which could provide protection from predators. Additionally, the study of their growth patterns has revealed that some ceratopsians experienced rapid growth during their early years, similar to modern-day reptiles.Despite their extinction millions of years ago, ceratopsians continue to captivate our interest. They serve as a reminder of the incredible diversity of life that once existed on our planet. Museums around the world showcase impressive skeletons and reconstructions of these magnificent creatures, allowing visitors to marvel at their size and complexity. As research continues, we are likely to uncover even more about the lives of ceratopsians and their place in the prehistoric world. In conclusion, the study of ceratopsians not only enriches our understanding of dinosaur evolution but also highlights the intricate relationships between species and their environments throughout history.

恐龙的世界广阔而迷人，充满了数百万年前在地球上漫游的生物。在这些古老的生物中，有一个特别引人入胜的群体就是角龙类。术语角龙类指的是一种以植物为食的恐龙类群，其特征是独特的头骨特征，包括大型的颈饰和角。这一群体包括著名的物种，如三角龙和刺龙，它们吸引了科学家和公众的想象。角龙类首次出现在晚侏罗世，并在白垩纪期间变得突出。它们主要分布在今天的北美，尽管在世界其他地方也发现了化石，表明它们曾广泛存在。角龙类的适应性使它们能够在各种环境中繁荣，从郁郁葱葱的森林到干旱的平原。它们的草食性饮食意味着它们在生态系统中扮演了至关重要的角色，帮助塑造植被并影响周围的栖息地。角龙类最引人注目的特征之一是它们复杂的颅骨装饰。这些恐龙具有多种形状和大小的角，可能具有多重用途。一些古生物学家认为，角和颈饰用于防御捕食者，而另一些则认为它们在社会互动或交配展示中发挥了作用。不同物种之间的角结构多样性表明，这些特征可能对物种识别至关重要。角龙类的解剖结构同样值得注意。它们拥有强壮的喙和磨牙，使其能够有效处理坚韧的植物材料。它们健壮的身体和强大的四肢表明它们适应于陆生生活，能够在各种地形上高效移动。化石证据表明，一些角龙类生长到令人印象深刻的尺寸，三角龙的长度可达30英尺，重量可达数吨。多年来，古生物学家在与角龙类相关的发现上取得了重要进展，揭示了它们的行为和生物学。例如，发现的化石遗骸显示这些恐龙可能成群生活，这可能为抵御捕食者提供了保护。此外，对其生长模式的研究表明，一些角龙类在早期经历了快速生长，类似于现代爬行动物。尽管它们在数百万年前灭绝，但角龙类仍然持续吸引着我们的兴趣。它们提醒我们曾经存在于地球上的生命的惊人多样性。世界各地的博物馆展示了这些宏伟生物的令人印象深刻的骨架和重建，让游客惊叹于它们的大小和复杂性。随着研究的不断深入，我们可能会发现更多关于角龙类及其在史前世界中的地位的信息。总之，研究角龙类不仅丰富了我们对恐龙进化的理解，还突显了历史上物种与环境之间错综复杂的关系。