cryptobiosis

简明释义

英[ˌkrɪptəʊbaɪˈəʊsɪs]美[ˌkrɪptoʊbaɪˈoʊsɪs]

n. [生态] 隐生现象；潜生现象

复 数 c r y p t o b i o s e s

英英释义

单词用法

同义词

反义词

例句

1.Researchers are studying the mechanisms behind cryptobiosis to understand how some organisms endure desiccation.

研究人员正在研究隐生状态背后的机制，以了解一些生物如何耐受干燥。

2.Scientists believe that understanding cryptobiosis could lead to advancements in space travel.

科学家认为，理解隐生状态可能会推动太空旅行的进步。

3.Some seeds can remain viable for decades due to their ability to enter cryptobiosis.

一些种子能够保持几十年的活力，因为它们能够进入隐生状态。

4.In cryptobiosis, metabolic processes are almost completely shut down.

在隐生状态中，代谢过程几乎完全停止。

5.The tardigrade can enter a state of cryptobiosis to survive extreme conditions.

水熊虫可以进入隐生状态以生存于极端条件下。

作文

In the vast world of biology, there are numerous fascinating phenomena that capture the attention of scientists and enthusiasts alike. One such phenomenon is cryptobiosis, a state of suspended animation that allows certain organisms to survive extreme conditions. This remarkable ability enables them to endure environments that would be otherwise lethal. The term cryptobiosis comes from the Greek words 'kryptos' meaning hidden and 'bios' meaning life, which aptly describes the hidden life that persists in this dormant state.Organisms capable of cryptobiosis include tardigrades, also known as water bears, as well as some species of nematodes and brine shrimp. Tardigrades are particularly renowned for their resilience; they can survive temperatures ranging from absolute zero to over 300 degrees Fahrenheit, withstand high levels of radiation, and even endure the vacuum of space. Their secret lies in their ability to enter a state of cryptobiosis when faced with desiccation or other environmental stressors. In this state, their metabolic processes slow down dramatically, allowing them to conserve energy and resources.The process of entering cryptobiosis involves the organism losing almost all its water content, which leads to the formation of a protective structure around its cells. This structure prevents damage from dehydration and other environmental factors. When conditions become favorable again, these organisms can rehydrate and reactivate their metabolic processes, returning to a normal state of life.The study of cryptobiosis has significant implications for various fields, including medicine, agriculture, and astrobiology. For instance, understanding how tardigrades survive extreme conditions could lead to advancements in preservation techniques for biological samples and even organs for transplantation. Additionally, researchers are exploring the potential of applying these principles to improve crop resilience against drought and other environmental challenges.In astrobiology, the ability of organisms to survive in a cryptobiosis state raises intriguing questions about the possibility of life beyond Earth. If life can exist in such extreme conditions on our planet, it opens up the potential for similar life forms to thrive on other celestial bodies, such as Mars or the icy moons of Jupiter and Saturn. The exploration of cryptobiosis not only expands our understanding of life's limits but also enhances our search for extraterrestrial life.In conclusion, cryptobiosis is a remarkable biological phenomenon that showcases the incredible adaptability of life. The ability of certain organisms to enter this dormant state allows them to survive extreme conditions that would be fatal to most living beings. As we continue to study cryptobiosis, we uncover new insights that have the potential to revolutionize various scientific fields and deepen our understanding of life's resilience in the universe. This hidden life, preserved in a state of cryptobiosis, serves as a testament to the wonders of nature and the mysteries yet to be explored.

在生物学的广阔世界中，有许多迷人的现象吸引着科学家和爱好者的注意。其中一个现象是隐生，一种悬浮动画状态，使某些生物能够在极端条件下生存。这种非凡的能力使它们能够忍受在其他情况下致命的环境。术语隐生源自希腊词“kryptos”，意为隐藏，以及“bios”，意为生命，这恰当地描述了在这种休眠状态下持续存在的隐藏生命。能够实现隐生的生物包括缓步动物，也被称为水熊虫，以及一些种类的线虫和咸水虾。缓步动物因其韧性而特别著名；它们可以承受从绝对零度到超过华氏300度的温度，抵御高水平的辐射，甚至在太空真空中生存。它们的秘密在于，当面临干燥或其他环境压力时，它们能够进入隐生状态。在这种状态下，它们的代谢过程大幅减缓，使它们能够节省能量和资源。进入隐生的过程涉及生物失去几乎所有的水分，从而形成一层保护结构包围其细胞。这种结构防止因脱水和其他环境因素造成的损害。当条件再次变得有利时，这些生物可以重新水合并恢复其代谢过程，回归正常的生活状态。研究隐生的过程对医学、农业和天体生物学等各个领域具有重要意义。例如，理解缓步动物如何在极端条件下生存可能会导致生物样本甚至器官移植保存技术的进步。此外，研究人员还在探索将这些原理应用于提高作物抵御干旱和其他环境挑战的潜力。在天体生物学中，生物在隐生状态下生存的能力引发了有关地球以外生命可能性的有趣问题。如果生命能够在我们星球上的如此极端条件下存在，那么它就打开了在其他天体上繁衍的潜力，例如火星或木星和土星的冰冷卫星。对隐生的探索不仅扩展了我们对生命极限的理解，还增强了我们对外星生命的搜索。总之，隐生是一种非凡的生物现象，展示了生命的惊人适应性。某些生物进入这种休眠状态的能力使它们能够在对大多数生物致命的极端条件下生存。随着我们继续研究隐生，我们发现新的见解，这些见解有可能革新各个科学领域，并加深我们对宇宙中生命韧性的理解。这种以隐生状态保存的隐藏生命，是自然奇观和尚待探索的奥秘的证明。