body plan

简明释义

船体型线图

英英释义

例句

1.The body plan of vertebrates includes a backbone, which is a key characteristic.

脊椎动物的身体结构包括脊柱，这是一个关键特征。

2.The scientist studied the evolution of the animal's body plan to understand its adaptations to the environment.

科学家研究了动物的身体结构以理解其对环境的适应。

3.In biology, the study of body plans helps scientists classify organisms.

在生物学中，研究身体结构有助于科学家对生物进行分类。

4.Different species exhibit a variety of body plans that reflect their ecological niches.

不同物种表现出多样的身体结构，反映了它们的生态位。

5.The body plan of the jellyfish is simple yet effective for its survival in the ocean.

水母的身体结构简单却有效，适合其在海洋中的生存。

作文

The concept of a body plan is fundamental to understanding the diversity of life forms on Earth. In biological terms, a body plan refers to the overall structural organization of an organism, which includes its shape, size, and the arrangement of its organs and systems. Different species exhibit various body plans, which have evolved over millions of years through the process of natural selection. This essay will explore the significance of body plans in the animal kingdom, highlighting how they influence an organism's lifestyle, habitat, and survival strategies.To begin with, the body plan of an organism plays a crucial role in determining its ecological niche. For instance, aquatic animals like fish possess streamlined body plans that allow them to move efficiently through water. Their bodies are often elongated with fins that aid in propulsion and stability. In contrast, terrestrial animals such as elephants have a robust body plan that supports their massive weight and allows them to traverse land effectively. The differences in body plans between these two groups demonstrate how adaptations to specific environments can shape the physical characteristics of organisms.Moreover, the body plan also affects an organism's reproductive strategies. Many marine organisms, such as jellyfish, exhibit a simple body plan that allows for high reproductive rates through the release of gametes into the water column. This strategy increases the chances of fertilization but also leaves the offspring vulnerable to predation. On the other hand, mammals, which generally have more complex body plans, often invest significant resources in raising their young. This investment can lead to greater survival rates for the offspring, as they receive protection and nourishment during their formative stages.The evolutionary history of body plans is another fascinating aspect to consider. The Cambrian explosion, which occurred around 541 million years ago, marked a significant period in the evolution of life on Earth. During this time, a wide variety of body plans emerged, leading to the development of major animal groups we see today. The fossil record reveals that many of these early body plans laid the groundwork for the complexity we observe in modern organisms. For example, the segmentation seen in arthropods and annelids is a result of evolutionary modifications to earlier body plans.In conclusion, the study of body plans is essential for understanding the vast array of life forms on our planet. It not only provides insights into how organisms adapt to their environments but also sheds light on the evolutionary processes that have shaped biodiversity. By examining the various body plans found in nature, we can appreciate the intricate relationships between form, function, and survival in the animal kingdom. As we continue to explore and document the diversity of life, the concept of body plans will remain a key focus for biologists and ecologists alike, helping us to unravel the mysteries of life's origins and adaptations.

“体型”这一概念对于理解地球上生命形式的多样性至关重要。在生物学中，“体型”指的是生物体的整体结构组织，包括其形状、大小以及器官和系统的排列。不同物种表现出各种“体型”，这些“体型”经过数百万年的自然选择过程演变而来。本文将探讨“体型”在动物王国中的重要性，强调它们如何影响生物体的生活方式、栖息地和生存策略。首先，生物体的“体型”在决定其生态位方面发挥着关键作用。例如，像鱼类这样的水生动物具有流线型的“体型”，使它们能够高效地在水中移动。它们的身体通常是细长的，配有助于推进和稳定的鳍。相反，像大象这样的陆生动物则拥有坚固的“体型”，支持其巨大的重量，允许它们有效地穿越陆地。这两组之间的“体型”差异表明，适应特定环境的能力可以塑造生物体的物理特征。此外，“体型”还影响生物体的繁殖策略。许多海洋生物，如水母，表现出简单的“体型”，允许通过释放生殖细胞进入水柱来获得高繁殖率。这种策略增加了受精的机会，但也使后代容易受到捕食。另一方面，哺乳动物通常具有更复杂的“体型”，往往在抚养幼崽上投入大量资源。这种投资可以导致幼崽更高的生存率，因为它们在成长的早期阶段得到了保护和滋养。“体型”的进化历史是另一个引人入胜的方面。寒武纪大爆发发生在大约5.41亿年前，标志着地球生命进化的一个重要时期。在此期间，各种“体型”涌现，导致我们今天所见的主要动物群体的发展。化石记录显示，许多早期的“体型”为我们观察到的现代生物的复杂性奠定了基础。例如，节肢动物和环节动物所见的分节是对早期“体型”的进化改良的结果。总之，研究“体型”对于理解我们星球上丰富多样的生命形式至关重要。它不仅提供了生物体如何适应其环境的见解，还揭示了塑造生物多样性的进化过程。通过考察自然界中各种“体型”，我们可以欣赏到动物王国中形式、功能与生存之间的复杂关系。随着我们继续探索和记录生命的多样性，“体型”这一概念将始终是生物学家和生态学家的重点，帮助我们揭示生命起源和适应的奥秘。