clade

简明释义

英[kleɪd]美[kleɪd]

n. 分化枝；进化枝

n. （Clade）人名；（德）克拉德

英英释义

单词用法

同义词

反义词

例句

1.Adaptive introgression of mimicry loci is therefore a plausible explanation for parallel evolution of multiple mimetic patterns in the melpomene–silvaniform clade.

因此，拟态位点的适应性基因渗入为诗神袖蝶–羽衣袖蝶分支间不同拟态模式的平行进化提供了合理解释。

2.A clade is a 'branch' and is a term used in the taxonomy of species.

一个进化枝是一个分支，是物种分类中使用的形式。

3.Most species in this clade occasionally hybridize in the wild with other clade members7.

在这一进化支中的大多数种都曾在野外与其它进化支的成员杂交。

4.The Hinds Cave bone fell into Clade 1, a group belonging solely to modern and ancient dogs.

汉德斯洞穴骨骼属于进化枝1，只属于现代和古代犬类。

5.Thus, it could be an ancestral taxon of the Asian clade, which appeared before the diversification of the East Asian species.

因而，它可能是亚洲植物支系中一个祖先的分类单元，出现于亚洲的种分异之前。

6.The phylogenetic analysis indicated that 5 groups were assigned to a clade of F. tularensis, and the rest 8 groups to main clade with FLEs.

系统进化分析显示，5组蜱和土拉菌聚在一个分支上，其余8组和弗朗西斯菌属（类）内共生体聚在一个主干分支上。

7.Adaptive introgression of mimicry loci is therefore a plausible explanation for parallel evolution of multiple mimetic patterns in the melpomene–silvaniform clade.

因此，拟态位点的适应性基因渗入为诗神袖蝶–羽衣袖蝶分支间不同拟态模式的平行进化提供了合理解释。

8.Understanding the clade 支系 can help in conservation efforts.

了解这个<取代>支系有助于保护工作。

9.The scientists discovered a new clade 支系 of reptiles that had unique characteristics.

科学家发现了一种新的<取代>支系的爬行动物，具有独特的特征。

10.Researchers are studying the evolutionary relationships within this clade 支系 of mammals.

研究人员正在研究这一<取代>支系的哺乳动物之间的进化关系。

11.The genetic analysis revealed that the species belongs to a distinct clade 支系.

基因分析显示，该物种属于一个独特的<取代>支系。

12.This clade 支系 of flowering plants is known for its vibrant colors.

这一<取代>支系的开花植物以其鲜艳的颜色而闻名。

作文

In the study of biology, understanding the concept of a clade (谱系) is essential for grasping the relationships between various organisms. A clade refers to a group of organisms that are classified together based on common ancestry. This means that all members of a clade share a distinct lineage, which can be traced back to a single common ancestor. The significance of this classification lies in its ability to reveal evolutionary connections and the diversification of life forms over millions of years.For instance, consider the clade that includes birds and crocodiles. Although these two groups appear vastly different at first glance, they share a common ancestor in the distant past. This shared lineage highlights the importance of phylogenetic studies, which aim to reconstruct the evolutionary history of species. By examining genetic data, scientists can identify clades and understand how traits have been inherited or adapted over time.The concept of a clade is not limited to animals; it also applies to plants and microorganisms. Each clade provides insights into the ecological roles and evolutionary strategies of its members. For example, the clade of flowering plants has evolved various mechanisms for reproduction, leading to the vast diversity of plant life we see today. Understanding these clades helps botanists and ecologists make sense of complex ecosystems and the interactions within them.Moreover, the identification of clades plays a crucial role in conservation biology. By recognizing the evolutionary significance of certain groups, conservationists can prioritize efforts to protect not just individual species but entire clades. This approach ensures that the genetic diversity and adaptive potential of related organisms are preserved, which is vital for the resilience of ecosystems in the face of environmental changes.In recent years, advancements in genetic sequencing technology have revolutionized our understanding of clades. Researchers can now analyze DNA from a wide array of organisms, allowing for more accurate classifications and a deeper understanding of evolutionary relationships. This has led to the discovery of previously unrecognized clades, reshaping our understanding of biodiversity.However, the study of clades is not without challenges. As new data emerges, the definitions and boundaries of clades can change, sometimes leading to disputes among scientists. The dynamic nature of evolutionary biology means that classifications must be continually updated to reflect new findings. This ongoing process highlights the importance of collaboration and communication within the scientific community.In conclusion, the concept of a clade is fundamental to the field of biology. It allows scientists to classify organisms based on their evolutionary history, revealing the intricate web of life on Earth. By understanding clades, we gain valuable insights into the processes that shape biodiversity, inform conservation efforts, and enhance our appreciation for the complexity of life. As research continues to evolve, the study of clades will undoubtedly remain a cornerstone of biological inquiry, guiding future discoveries and conservation strategies.

在生物学研究中，理解“clade”（谱系）这一概念对于掌握各种生物之间的关系至关重要。“clade”指的是基于共同祖先而被归类在一起的一组生物。这意味着所有成员都共享一个独特的血统，可以追溯到一个共同的祖先。这种分类的重要性在于它能够揭示进化联系以及生命形式在数百万年中的多样化。例如，考虑包括鸟类和鳄鱼的“clade”。尽管这两组在表面上看起来截然不同，但它们在遥远的过去有一个共同的祖先。这种共享的血统突显了系统发育研究的重要性，旨在重建物种的进化历史。通过检查遗传数据，科学家可以识别“clade”并理解特征是如何随着时间的推移被继承或适应的。“clade”的概念不仅限于动物，它也适用于植物和微生物。每个“clade”提供了对其成员生态角色和进化策略的洞察。例如，开花植物的“clade”已经进化出多种繁殖机制，导致我们今天所见植物生命的巨大多样性。理解这些“clade”帮助植物学家和生态学家理解复杂生态系统及其内部的相互作用。此外，识别“clade”在保护生物学中也发挥着至关重要的作用。通过认识某些群体的进化重要性，保护主义者可以优先保护不仅仅是单个物种，而是整个“clade”。这种方法确保相关生物的遗传多样性和适应潜力得以保存，这对于生态系统在环境变化面前的韧性至关重要。近年来，基因测序技术的进步彻底改变了我们对“clade”的理解。研究人员现在可以分析各种生物的DNA，从而实现更准确的分类和对进化关系的更深入理解。这导致了以前未被识别的“clade”的发现，重塑了我们对生物多样性的理解。然而，“clade”的研究并非没有挑战。随着新数据的出现，“clade”的定义和边界可能会发生变化，有时会导致科学家之间的争议。进化生物学的动态性质意味着分类必须不断更新，以反映新的发现。这一持续的过程突显了科学界内合作与沟通的重要性。总之，“clade”的概念是生物学领域的基础。它使科学家能够根据进化历史对生物进行分类，揭示地球上生命的错综复杂的网络。通过理解“clade”，我们获得了对塑造生物多样性的过程、指导保护工作以及增强我们对生命复杂性的欣赏的宝贵见解。随着研究的不断发展，“clade”的研究无疑将继续成为生物学探究的基石，指导未来的发现和保护策略。