Atdabanian stage

简明释义

阿特达伯阶;

英英释义

例句

1.The transition from the Atdabanian stage to the next geological period marked a pivotal point in Earth's history.

从阿特达巴尼阶段过渡到下一个地质时期标志着地球历史上的一个关键时刻。

2.During the Atdabanian stage, significant geological changes occurred that shaped the Earth's crust.

在阿特达巴尼阶段，发生了重大的地质变化，这些变化塑造了地球的地壳。

3.Research on sediment layers indicates that the Atdabanian stage was crucial for understanding early life forms.

对沉积层的研究表明，阿特达巴尼阶段对于理解早期生命形式至关重要。

4.The fossils found in this region date back to the Atdabanian stage, which is known for its diverse marine life.

这个地区发现的化石可以追溯到阿特达巴尼阶段，该阶段以其多样的海洋生物而闻名。

5.Geologists often refer to the Atdabanian stage when discussing Cambrian biodiversity.

地质学家在讨论寒武纪生物多样性时常常提到阿特达巴尼阶段。

作文

The geological time scale is a crucial framework for understanding the history of our planet. Among the various stages that mark significant events in Earth's history, the Atdabanian stage holds particular importance. The Atdabanian stage refers to a specific interval during the Cambrian period, approximately 521 to 514 million years ago. This era is notable for its remarkable evolutionary developments and the emergence of complex life forms. During this time, the oceans were teeming with diverse organisms, including early trilobites, brachiopods, and various types of algae. One of the most fascinating aspects of the Atdabanian stage is the rapid diversification of life. This period followed the relatively simple life forms of the previous Ediacaran period, marking a significant transition towards more complex ecosystems. Fossil evidence from this stage indicates an explosion of biodiversity, often referred to as the 'Cambrian Explosion.' This phenomenon saw the appearance of many major groups of animals, which laid the groundwork for future evolutionary developments.The Atdabanian stage also provides insight into the environmental conditions of the time. The Earth's climate was generally warm, and the seas were shallow, which created ideal conditions for the proliferation of marine life. The presence of various sedimentary rocks from this period suggests that there were extensive shallow marine environments, where organisms could thrive. These geological formations help scientists understand the ecological dynamics of ancient oceans and how they influenced the evolution of life.Moreover, the Atdabanian stage is significant for paleontologists studying the fossil record. The fossils found from this period are crucial for piecing together the evolutionary history of many modern animal groups. For example, the discovery of well-preserved trilobite fossils has provided valuable information about the morphology and behavior of these ancient creatures. Such findings not only enhance our understanding of the Atdabanian stage itself but also contribute to the broader narrative of life's evolution on Earth.In summary, the Atdabanian stage represents a pivotal moment in the history of life on Earth. Its significance lies in the explosion of biodiversity, the favorable environmental conditions, and the wealth of fossil evidence that continues to inform our understanding of evolution. By studying this stage, we gain valuable insights into the processes that shaped the development of complex life and the intricate web of ecosystems that emerged during the Cambrian period. As we continue to explore and uncover the mysteries of our planet's past, the Atdabanian stage will undoubtedly remain a key focus for researchers and enthusiasts alike.

地质时间尺度是理解我们星球历史的重要框架。在标志着地球历史重大事件的各个阶段中，阿特达巴尼亚期具有特别的重要性。阿特达巴尼亚期指的是寒武纪期间的一个特定时间段，大约在5.21亿到5.14亿年前。这一时期因其显著的进化发展和复杂生命形式的出现而备受关注。在这个时期，海洋中充满了多样的生物，包括早期的三叶虫、腕足动物和各种类型的藻类。阿特达巴尼亚期最引人注目的方面之一是生命的快速多样化。这个时期紧随之前相对简单的埃迪卡拉纪生命形式之后，标志着向更复杂生态系统的重大过渡。来自这一阶段的化石证据表明，生物多样性经历了一次爆炸性增长，通常被称为“寒武纪大爆发”。这一现象见证了许多主要动物群体的出现，为未来的进化发展奠定了基础。阿特达巴尼亚期还提供了对当时环境条件的洞察。地球的气候总体上温暖，海洋较浅，这创造了有利于海洋生命繁衍的理想条件。这一时期的各种沉积岩的存在表明，存在广泛的浅海环境，生物能够在其中繁荣。这些地质构造帮助科学家了解古代海洋的生态动态及其对生命进化的影响。此外，阿特达巴尼亚期对于研究化石记录的古生物学家来说也具有重要意义。从这一时期发现的化石对于拼凑许多现代动物群体的进化历史至关重要。例如，保存完好的三叶虫化石的发现提供了关于这些古代生物形态和行为的宝贵信息。这些发现不仅增强了我们对阿特达巴尼亚期本身的理解，还为更广泛的生命进化叙事做出了贡献。总之，阿特达巴尼亚期代表了地球生命历史中的一个关键时刻。它的重要性在于生物多样性的爆炸、良好的环境条件以及丰富的化石证据，这些证据继续丰富我们对进化的理解。通过研究这一阶段，我们获得了对塑造复杂生命发展的过程和寒武纪期间出现的复杂生态系统的深刻见解。当我们继续探索和揭示我们星球过去的奥秘时，阿特达巴尼亚期无疑将继续成为研究者和爱好者关注的焦点。