Neogene Neocretaceous

简明释义

新白垩纪的;

英英释义

例句

1.The fossils found in this region date back to the Neogene Neocretaceous period, indicating a rich biodiversity of that time.

在这个地区发现的化石可以追溯到新生代新白垩纪时期，表明那个时期的生物多样性丰富。

2.Sedimentary rocks from the Neogene Neocretaceous provide insights into ancient marine environments.

来自新生代新白垩纪的沉积岩为古代海洋环境提供了见解。

3.The Neogene Neocretaceous era is crucial for understanding the evolution of mammals.

了解哺乳动物的演化至关重要，这段时间是新生代新白垩纪。

4.The extinction events at the end of the Neogene Neocretaceous had profound effects on biodiversity.

在新生代新白垩纪末期的灭绝事件对生物多样性产生了深远影响。

5.Researchers are studying the geological layers from the Neogene Neocretaceous to understand climate changes.

研究人员正在研究来自新生代新白垩纪的地质层，以理解气候变化。

作文

The geological time scale is a crucial framework for understanding the history of our planet. Among the various divisions of geological time, two significant epochs are the Neogene and Neocretaceous. These periods mark important phases in Earth's development, showcasing the evolution of life and the changes in climate and geography that have shaped our world. The Neogene epoch, which spanned from approximately 23 million to 2.6 million years ago, is characterized by the emergence and diversification of mammals and birds. During this time, the Earth experienced significant climatic shifts, leading to the formation of grasslands and the extinction of many prehistoric species. The Neogene also saw the rise of early hominins, laying the groundwork for human evolution. Fossil records from this period provide valuable insights into how species adapted to changing environments and how ecosystems evolved over millions of years.In contrast, the term Neocretaceous refers to a more specific time frame within the larger Cretaceous period, which lasted from about 145 to 66 million years ago. The Neocretaceous is often associated with the late stages of the Cretaceous, just before the mass extinction event that led to the demise of the dinosaurs. This period was marked by the dominance of reptiles and the flourishing of flowering plants. Understanding the Neocretaceous is essential for paleontologists as it provides context for the evolutionary adaptations that occurred during this tumultuous time in Earth's history.Both the Neogene and Neocretaceous are vital for comprehending the broader narrative of life on Earth. By studying these epochs, scientists can piece together the puzzle of how life has changed over millions of years. The fossil evidence from the Neogene reveals how mammals began to adapt to new ecological niches, while the Neocretaceous offers insights into the diversity of life forms that existed before one of the most significant extinction events in history.Furthermore, understanding these geological periods helps us grasp the impact of environmental changes on biodiversity. For instance, the climatic shifts during the Neogene not only influenced the types of flora and fauna that thrived but also set the stage for the eventual rise of humans. Similarly, the adaptations seen in the Neocretaceous highlight the resilience of life in the face of drastic changes, providing lessons that remain relevant today as we confront our own environmental challenges.In conclusion, the Neogene and Neocretaceous are more than just terms in a geological time scale; they represent pivotal moments in the history of life on Earth. By studying these epochs, we gain a deeper understanding of evolution, extinction, and the interconnectedness of all living organisms. As we continue to explore our planet's past, the insights gleaned from the Neogene and Neocretaceous will undoubtedly inform our approach to conservation and sustainability in the future.

地质时间尺度是理解我们星球历史的关键框架。在地质时间的各种划分中，新近纪和新白垩纪是两个重要的时期。这些时期标志着地球发展的重要阶段，展示了生命的演变以及塑造我们世界的气候和地理变化。新近纪时期大约从2300万年前到260万年前，特征是哺乳动物和鸟类的出现和多样化。在这一时期，地球经历了显著的气候变化，导致草原的形成和许多史前物种的灭绝。新近纪还见证了早期人类的崛起，为人类进化奠定了基础。这一时期的化石记录为我们提供了宝贵的见解，了解物种如何适应变化的环境，以及生态系统如何在数百万年中演变。相较之下，新白垩纪这个术语指的是更具体的时间框架，属于更大的白垩纪，该时期大约从1.45亿年前持续到6600万年前。新白垩纪通常与白垩纪的后期阶段相关，正是在这个阶段之前，发生了导致恐龙灭绝的大规模灭绝事件。这个时期以爬行动物的主导地位和开花植物的繁荣为特征。理解新白垩纪对古生物学家至关重要，因为它提供了在地球历史上经历重大灭绝事件时，生命形式演变的背景。新近纪和新白垩纪的研究对于理解地球上生命的广泛叙述至关重要。通过研究这些时期，科学家们可以拼凑出生命在数百万年间如何变化的拼图。新近纪的化石证据揭示了哺乳动物如何开始适应新的生态位，而新白垩纪则提供了在历史上最重要的灭绝事件之一之前存在的生命形式的多样性见解。此外，理解这些地质时期有助于我们把握环境变化对生物多样性的影响。例如，新近纪期间的气候变化不仅影响了繁盛的植物和动物类型，还为人类的崛起奠定了基础。同样，新白垩纪的适应性变化突显了生命在剧烈变化面前的韧性，提供了当今我们面临自身环境挑战时仍然相关的教训。总之，新近纪和新白垩纪不仅仅是地质时间尺度中的术语；它们代表了地球生命历史中的关键时刻。通过研究这些时期，我们可以更深入地理解进化、灭绝以及所有生物体之间的相互联系。随着我们继续探索地球的过去，从新近纪和新白垩纪获得的见解无疑将为我们未来的保护和可持续发展方法提供指导。