exuvial period

简明释义

脱皮期

英英释义

例句

1.Researchers study the exuvial period of spiders to understand their growth patterns.

研究人员研究蜘蛛的蜕皮期以了解它们的生长模式。

2.Aquatic species often experience a prolonged exuvial period due to environmental factors.

水生物种常常由于环境因素经历较长的蜕皮期。

3.During the exuvial period, many insects shed their old exoskeletons to grow.

在蜕皮期，许多昆虫会脱掉旧的外骨骼以便生长。

4.The exuvial period can last from a few hours to several days depending on the species.

蜕皮期的持续时间因物种而异，可能从几小时到几天不等。

5.The exuvial period is critical for crustaceans as they become vulnerable to predators.

对于甲壳类动物来说，蜕皮期是至关重要的，因为它们在此期间易受到捕食者的攻击。

作文

The concept of the exuvial period refers to a specific phase in the life cycle of certain organisms, particularly arthropods, during which they undergo molting. This process is crucial for their growth and development, allowing them to shed their old exoskeleton and emerge with a new one. The exuvial period is characterized by vulnerability, as the newly emerged organism is soft and defenseless until its new exoskeleton hardens. Understanding this phase can provide insight into the biological processes that govern the lives of these creatures.During the exuvial period, the organism undergoes significant physiological changes. For instance, before molting, the body prepares by reabsorbing some of the old exoskeleton material and producing new cuticle layers. This preparation is essential, as it ensures that the organism has the necessary components to form a strong and protective new exoskeleton. The actual shedding of the old exoskeleton can take several hours, during which the organism must stay hidden from predators to avoid being harmed.The duration of the exuvial period can vary significantly among different species. Some may complete this process within a day, while others may take weeks. Factors such as environmental conditions, availability of food, and the organism's overall health can influence the length of this period. For example, in warmer climates where food is abundant, some species may molt more frequently, leading to shorter exuvial periods.In addition to physical changes, the exuvial period also has ecological implications. Many predators are aware of the vulnerability of molting organisms and may time their hunting strategies accordingly. This creates a delicate balance in the ecosystem, as both prey and predator adapt to the behaviors surrounding this critical life stage. Furthermore, the timing of molting can affect population dynamics within a species, as those that can effectively navigate the challenges of the exuvial period may have a better chance of survival and reproduction.Research into the exuvial period has provided valuable insights into evolutionary biology. By studying how different species manage this vulnerable phase, scientists can learn about the adaptations that have developed over millions of years. This knowledge not only enhances our understanding of individual species but also contributes to broader ecological theories regarding survival and adaptation.In conclusion, the exuvial period is a fascinating aspect of the life cycles of many organisms, especially arthropods. It represents a time of transformation and vulnerability, highlighting the intricate relationships between species and their environments. By studying this period, researchers can gain a deeper appreciation for the complexities of life and the various strategies that organisms employ to thrive in their respective ecosystems. As we continue to explore and understand these biological processes, we can better appreciate the wonders of nature and the delicate balance that sustains life on our planet.

“脱壳期”这一概念指的是某些生物（特别是节肢动物）生命周期中的特定阶段，在此期间它们经历蜕皮。这个过程对它们的生长和发育至关重要，使它们能够脱掉旧的外骨骼，重新获得一个新的外壳。“脱壳期”的特点是脆弱，因为新出现的生物体柔软且无防御能力，直到其新外骨骼硬化。理解这一阶段可以为我们提供有关这些生物生命过程的深入见解。在“脱壳期”期间，生物体经历显著的生理变化。例如，在蜕皮之前，身体会通过重新吸收一些旧外骨骼材料并产生新的角质层来进行准备。这一准备工作至关重要，因为它确保生物体拥有形成坚固且保护性强的新外骨骼所需的成分。实际脱掉旧外骨骼的过程可能需要几个小时，在此期间生物体必须躲避掠食者，以免受到伤害。“脱壳期”的持续时间因不同物种而异。有些物种可能在一天内完成这个过程，而其他物种可能需要几周。环境条件、食物的可获得性以及生物体的整体健康状况等因素都可以影响这一时期的长度。例如，在气候较温暖、食物丰富的地方，一些物种可能蜕皮更频繁，从而导致更短的“脱壳期”。除了身体变化，“脱壳期”还具有生态意义。许多捕食者意识到正在蜕皮的生物的脆弱性，可能会相应地调整他们的捕猎策略。这在生态系统中创造了微妙的平衡，因为猎物和捕食者都适应围绕这一关键生命阶段的行为。此外，蜕皮的时机可能会影响物种内的种群动态，因为那些能够有效应对“脱壳期”挑战的个体可能有更好的生存和繁殖机会。对“脱壳期”的研究为进化生物学提供了宝贵的见解。通过研究不同物种如何管理这一脆弱阶段，科学家可以了解数百万年来发展起来的适应机制。这些知识不仅增强了我们对个别物种的理解，还为关于生存和适应的更广泛生态理论做出了贡献。总之，“脱壳期”是许多生物（尤其是节肢动物）生命周期中一个引人入胜的方面。它代表着转变和脆弱的时刻，突显了物种与其环境之间复杂的关系。通过研究这一时期，研究人员可以更深入地欣赏生命的复杂性以及生物体在各自生态系统中繁荣生存所采用的各种策略。随着我们继续探索和理解这些生物过程，我们可以更好地欣赏自然的奇迹以及维持地球上生命的微妙平衡。