acritarch

简明释义

英[ˈeɪ.krɪ.tɑrk]美[ˈeɪ.krɪ.tɑrk]

[古植] 疑源类

英英释义

单词用法

同义词

反义词

例句

1.The lacustrine acritarch is the important biologic source of high-quality source rock of the Yanchang Formation in Ordos Basin.

这些特征均表明疑源类是鄂尔多斯盆地三叠系延长组湖相优质烃源岩形成的重要母质。

2.The lacustrine acritarch is the important biologic source of high-quality source rock of the Yanchang Formation in Ordos Basin.

这些特征均表明疑源类是鄂尔多斯盆地三叠系延长组湖相优质烃源岩形成的重要母质。

3.Scientists often use acritarchs 原生生物 to date sedimentary rock layers.

科学家们常用原生生物来对沉积岩层进行年代测定。

4.In paleontology, acritarchs 原生生物 are key indicators of ecological changes.

在古生物学中，原生生物是生态变化的重要指示物。

5.The diversity of acritarchs 原生生物 indicates a rich evolutionary history.

多样化的原生生物表明了丰富的进化历史。

6.The fossil record shows that acritarchs 原生生物 were abundant in the Paleozoic era.

化石记录显示，原生生物在古生代时期非常丰富。

7.The study of acritarchs 原生生物 can provide insights into ancient marine environments.

对原生生物的研究可以提供对古代海洋环境的洞察。

作文

In the study of paleontology and geology, the term acritarch refers to a group of organic microfossils that are primarily derived from phytoplankton. These microscopic organisms are significant for understanding the Earth's biological history, particularly during the Paleozoic era. The acritarch fossils are characterized by their diverse shapes and sizes, which can range from simple spherical forms to more complex structures with intricate ornamentation. Their resilience and ability to survive in various environmental conditions make them excellent indicators for biostratigraphy, helping scientists date and correlate rock layers across different geographic regions.The importance of studying acritarchs lies not only in their role as indicators of ancient marine environments but also in their contribution to our understanding of evolutionary processes. They provide insights into the development of early life forms on Earth and the changes that occurred in marine ecosystems over millions of years. For example, the presence of certain acritarch species can signify specific geological periods, allowing researchers to reconstruct past climates and ecological conditions.Moreover, acritarchs serve as valuable tools in oil exploration. Their fossilized remains can be found in sedimentary rocks that may contain hydrocarbons. By analyzing the types and distributions of acritarch fossils present, geologists can infer the potential for oil and gas reserves in a given area. This application highlights the intersection of paleontology with practical industries, demonstrating how ancient life forms can have significant economic implications today.In addition to their practical applications, acritarchs also stimulate scientific curiosity and research. Paleontologists and geologists continue to study these fascinating microfossils to uncover new species and understand their evolutionary relationships. Recent advancements in technology, such as high-resolution imaging and molecular analysis, have enabled scientists to explore acritarch diversity in unprecedented detail. This ongoing research not only enriches our knowledge of ancient life but also raises new questions about the origins and adaptations of these microorganisms.In conclusion, the study of acritarchs provides a window into the distant past, offering insights into the evolution of life on Earth and the dynamics of ancient ecosystems. Their significance extends beyond academic interest, impacting fields such as geology and resource exploration. As we continue to uncover the mysteries of these remarkable microfossils, we gain a deeper appreciation for the complexity of life and its enduring legacy on our planet. Understanding acritarchs is not just about studying tiny fossils; it is about piecing together the story of life itself, one microscopic fragment at a time.

在古生物学和地质学的研究中，术语acritarch指的是一组主要来源于浮游植物的有机微化石。这些微小的生物对于理解地球的生物历史尤为重要，特别是在古生代时期。acritarch化石的特点是形状和大小多样，从简单的球形到复杂的结构，装饰精美。它们的韧性和在各种环境条件下生存的能力使它们成为优秀的生物地层指标，帮助科学家对不同地理区域的岩层进行年代测定和关联。研究acritarchs的重要性不仅在于它们作为古代海洋环境的指示物，还在于它们对我们理解进化过程的贡献。它们提供了关于地球早期生命形式发展的见解，以及数百万年来海洋生态系统发生的变化。例如，某些acritarch物种的存在可以标志特定的地质时期，使研究人员能够重建过去的气候和生态条件。此外，acritarchs在石油勘探中也发挥着重要作用。它们的化石遗骸可以在可能含有碳氢化合物的沉积岩中找到。通过分析存在的acritarch化石的类型和分布，地质学家可以推断出某个地区潜在的石油和天然气储量。这一应用突显了古生物学与实际行业之间的交集，展示了古代生命形式如何对今天的经济产生重大影响。除了它们的实际应用，acritarchs还激发了科学好奇心和研究。古生物学家和地质学家继续研究这些迷人的微化石，以发现新的物种并了解它们的进化关系。最近的技术进步，如高分辨率成像和分子分析，使科学家能够以前所未有的细节探索acritarch的多样性。这项持续的研究不仅丰富了我们对古代生命的知识，也提出了关于这些微生物起源和适应的新问题。总之，对acritarchs的研究为我们提供了一个观察遥远过去的窗口，揭示了地球上生命的进化及古代生态系统的动态。它们的意义超越了学术兴趣，影响着地质学和资源勘探等领域。随着我们继续揭开这些非凡的微化石的神秘面纱，我们对生命复杂性的更深刻的理解以及其在我们星球上持久遗产的欣赏也在不断加深。理解acritarchs不仅仅是研究微小化石；而是逐步拼凑出生命本身的故事，一次一个微观片段。