diploblastic

简明释义

英[ˌdɪpləʊˈblæstɪk]美[ˌdɪploʊˈblæstɪk]

adj. [生物] 双胚层的

英英释义

单词用法

同义词

反义词

例句

1.Two cell layers (diploblastic) separated by a gelatinous mesoglea.

两层细胞（两胚层），中间是凝胶状的中胶层。

2.Two cell layers (diploblastic) separated by a gelatinous mesoglea.

两层细胞（两胚层），中间是凝胶状的中胶层。

3.Unlike triploblastic organisms, diploblastic species lack mesodermal tissue.

与三胚层生物不同，双胚层物种缺乏中胚层组织。

4.Research on diploblastic organisms helps scientists understand the evolution of multicellular life.

对双胚层生物的研究帮助科学家理解多细胞生命的进化。

5.The body plan of diploblastic organisms is usually simpler than that of more complex animals.

双胚层生物的体型结构通常比更复杂的动物简单。

6.The term diploblastic refers to organisms that develop from two germ layers: the ectoderm and endoderm.

术语双胚层指的是从两个胚层（外胚层和内胚层）发育的生物。

7.Cnidarians, such as jellyfish and corals, are classified as diploblastic animals.

水母和珊瑚等腔肠动物被归类为双胚层动物。

作文

In the study of biology, particularly in the field of zoology, organisms are often classified based on their embryonic development. One such classification is the distinction between diploblastic and triploblastic organisms. The term diploblastic refers to a specific group of animals that develop from two primary germ layers: the ectoderm and the endoderm. This classification is crucial for understanding the evolutionary relationships and developmental processes among various species. In contrast, triploblastic organisms possess a third germ layer known as the mesoderm, which gives rise to more complex structures and systems within the body.The significance of being diploblastic can be observed in simpler organisms such as cnidarians, which include jellyfish, corals, and sea anemones. These creatures exhibit a relatively simple body plan, characterized by radial symmetry and the absence of specialized organs found in more complex animals. The ectoderm forms the outer layer of the organism, providing protection and facilitating interactions with the environment, while the endoderm lines the digestive cavity, enabling nutrient absorption.Understanding the diploblastic nature of these organisms sheds light on their ecological roles. For instance, many cnidarians are vital components of marine ecosystems, serving as both predators and prey. Their ability to capture prey using specialized cells called cnidocytes demonstrates a level of complexity despite their simple body structure. Additionally, corals, which are also diploblastic, play a critical role in building coral reefs, which provide habitat for numerous marine species.The evolutionary implications of being diploblastic are profound. This classification suggests a divergence in the evolutionary pathway of animals. While diploblastic organisms represent some of the earliest forms of animal life, triploblastic organisms evolved later, leading to the development of more advanced body plans and systems. The emergence of the mesoderm allowed for the creation of muscles, circulatory systems, and other complex structures that enhance survival and adaptability in diverse environments.Moreover, studying diploblastic organisms can provide insights into the fundamental principles of biology. Researchers often investigate how these simpler organisms respond to environmental changes, reproduce, and interact with their surroundings. Such studies can inform conservation efforts, especially in the face of climate change and habitat destruction, as many diploblastic species are sensitive to alterations in their ecosystems.In conclusion, the term diploblastic is essential in the realm of biological classification, representing organisms that develop from two germ layers. This classification not only aids in understanding the structural and functional aspects of these creatures but also highlights their evolutionary significance. By exploring the characteristics and ecological roles of diploblastic organisms, we gain a deeper appreciation for the diversity of life on Earth and the intricate relationships that sustain it. Future research into these organisms will continue to unveil the mysteries of early animal evolution and the fundamental processes that govern life itself.

在生物学的研究中，特别是在动物学领域，生物通常根据其胚胎发育进行分类。其中一种分类是区分二胚层动物和三胚层动物。术语diploblastic指的是一种特定的动物群体，这些动物由两个主要胚层发育而成：外胚层和内胚层。这种分类对于理解不同物种之间的进化关系和发育过程至关重要。相比之下，三胚层动物具有第三个胚层，称为中胚层，它产生了更复杂的结构和系统。成为diploblastic的重要性可以在一些简单的生物中观察到，例如腔肠动物，包括水母、珊瑚和海葵。这些生物表现出相对简单的身体结构，特征是放射对称性以及缺乏在更复杂动物中发现的专门器官。外胚层形成生物的外层，提供保护并促进与环境的相互作用，而内胚层则衬里消化腔，能够吸收营养。理解这些生物的diploblastic特性有助于阐明它们的生态角色。例如，许多腔肠动物是海洋生态系统的重要组成部分，既是捕食者也是猎物。它们利用称为刺细胞的专门细胞捕捉猎物，尽管它们的身体结构简单，但仍然展示出一定程度的复杂性。此外，珊瑚作为diploblastic生物，在构建珊瑚礁方面发挥着关键作用，为众多海洋物种提供栖息地。成为diploblastic的进化意义深远。这一分类暗示了动物进化路径的分歧。虽然diploblastic生物代表了一些最早的动物生命形式，但三胚层动物则在后期进化，导致更高级的身体结构和系统的发展。中胚层的出现使肌肉、循环系统和其他复杂结构的形成成为可能，从而增强了在多样环境中的生存能力和适应性。此外，研究diploblastic生物可以提供对生物学基本原理的洞察。研究人员经常调查这些简单生物如何响应环境变化、繁殖以及与周围环境的相互作用。这类研究可以为保护工作提供信息，尤其是在气候变化和栖息地破坏面前，因为许多diploblastic物种对其生态系统的变化非常敏感。总之，术语diploblastic在生物分类领域中至关重要，代表着由两个胚层发育而成的生物。这种分类不仅有助于理解这些生物的结构和功能方面，还突显了它们的进化意义。通过探索diploblastic生物的特征和生态角色，我们对地球生命的多样性及其维持的复杂关系有了更深入的认识。未来对这些生物的研究将继续揭示早期动物进化的奥秘以及支配生命本身的基本过程。