homeothermic

简明释义

英[/ˌhoʊmiˈθɜrmɪk/]美[/ˌhoʊmiˈθɜrmɪk/]

adj. （美）温血的；恒温的（等于 homoiothermal）

英英释义

单词用法

同义词

反义词

例句

1.After weaning, homeothermic ability rapidly developed and juvenile vole allocated 8% of the assimilated energy to their growth, 92 % to their maintenance;

断乳后恒温能力发育较快时期，幼体投入生产的能量占同化能的8％；

2.After weaning, homeothermic ability rapidly developed and juvenile vole allocated 8% of the assimilated energy to their growth, 92 % to their maintenance;

断乳后恒温能力发育较快时期，幼体投入生产的能量占同化能的8％；

3.Birds are classified as homeothermic animals, meaning they can maintain a constant body temperature regardless of the environment.

鸟类被归类为恒温的动物，这意味着它们可以保持恒定的体温，无论环境如何。

4.Unlike reptiles, which are ectothermic, mammals are homeothermic, allowing them to thrive in various climates.

与爬行动物不同，爬行动物是外温性的，而哺乳动物是恒温的，使它们能够在各种气候中生存。

5.The ability to be homeothermic provides mammals with an advantage in colder environments.

具备恒温的能力使哺乳动物在寒冷的环境中具有优势。

6.Some scientists study homeothermic species to understand how they adapt to climate change.

一些科学家研究恒温的物种，以了解它们如何适应气候变化。

7.Humans are homeothermic and can regulate their body temperature through various physiological mechanisms.

人类是恒温的，可以通过各种生理机制来调节体温。

作文

In the vast world of biology, one term that often arises in discussions about animal physiology is homeothermic. This term refers to organisms that can maintain a stable internal body temperature regardless of external environmental conditions. Homeothermic animals, also known as warm-blooded animals, include mammals and birds. Their ability to regulate body temperature is crucial for their survival, as it allows them to thrive in various habitats, from the icy tundras to the scorching deserts. The concept of homeothermic organisms is fascinating because it highlights the remarkable adaptations that certain species have evolved over time. For instance, mammals possess specialized mechanisms such as insulation through fur or blubber, which helps to retain heat. Birds, on the other hand, have feathers that provide not only insulation but also aid in flight. These adaptations are vital for maintaining a constant body temperature, which is essential for enzymatic processes and overall metabolic function. One of the most interesting aspects of homeothermic animals is their energy consumption. Maintaining a stable body temperature requires a significant amount of energy, especially in colder environments. To meet these energy demands, homeothermic animals often have higher metabolic rates compared to their cold-blooded counterparts, such as reptiles and amphibians. This high metabolism enables them to generate heat internally, allowing them to remain active even in unfavorable conditions. However, being homeothermic also comes with challenges. For example, during extreme heat, these animals must find ways to dissipate excess body heat to avoid overheating. They may rely on behaviors such as seeking shade, swimming, or panting to cool down. Conversely, in cold environments, they need to find food sources that provide sufficient energy to sustain their body temperature. This dependency on external resources makes them vulnerable to changes in their environment, such as climate change or habitat destruction. The study of homeothermic animals also has important implications for understanding ecosystem dynamics. As these animals play crucial roles in their ecosystems, their ability to adapt to changing temperatures can influence the distribution of species and the overall health of ecosystems. For instance, if a particular species of bird cannot cope with rising temperatures, it may migrate to cooler areas or face population decline. Such shifts can have cascading effects on food webs and biodiversity. In conclusion, the term homeothermic encapsulates a fascinating aspect of animal physiology that underscores the complexity of life on Earth. The ability to maintain a stable internal temperature allows these organisms to inhabit diverse environments and play vital roles in their ecosystems. Understanding how homeothermic animals adapt to their surroundings not only deepens our appreciation for the intricacies of nature but also highlights the importance of conserving these species in the face of environmental challenges. As we continue to study and learn about these remarkable creatures, we gain valuable insights into the resilience of life and the delicate balance of our planet's ecosystems.

在生物学的广阔世界中，一个经常出现在动物生理讨论中的术语是恒温动物。这个术语指的是能够在外部环境条件变化时维持稳定体温的生物。恒温动物，也称为温血动物，包括哺乳动物和鸟类。它们调节体温的能力对其生存至关重要，因为这使它们能够在各种栖息地中茁壮成长，从冰冷的苔原到炙热的沙漠。 恒温动物的概念令人着迷，因为它突显了某些物种随着时间演化出的显著适应性。例如，哺乳动物拥有特殊机制，如通过毛发或脂肪来保温，这有助于保持热量。而鸟类则拥有羽毛，不仅提供绝缘，还帮助飞行。这些适应对于维持恒定的体温至关重要，而恒定的体温对酶促反应和整体代谢功能是必不可少的。 恒温动物最有趣的方面之一是它们的能量消耗。维持稳定的体温需要大量的能量，尤其是在寒冷的环境中。为了满足这些能量需求，恒温动物通常比它们的冷血同类（如爬行动物和两栖动物）具有更高的代谢率。这种高代谢使它们能够在体内产生热量，从而使它们即使在不利条件下也能保持活跃。 然而，成为恒温动物也带来了挑战。例如，在极端炎热的情况下，这些动物必须找到方法来散发多余的体热，以避免过热。它们可能依赖于寻找阴凉处、游泳或喘息等行为来降温。相反，在寒冷的环境中，它们需要找到足够能量的食物来源以维持体温。这种对外部资源的依赖使它们易受环境变化的影响，例如气候变化或栖息地破坏。 对恒温动物的研究也对理解生态系统动态具有重要意义。由于这些动物在生态系统中扮演着至关重要的角色，它们适应温度变化的能力可以影响物种的分布和生态系统的整体健康。例如，如果某种特定的鸟类无法应对上升的温度，它可能会迁移到更凉爽的区域或面临种群下降。这种变化可能对食物网和生物多样性产生连锁反应。 总之，术语恒温动物概括了动物生理学中一个引人入胜的方面，强调了地球生命的复杂性。维持稳定的内部温度使这些生物能够栖息在多样的环境中，并在其生态系统中扮演重要角色。理解恒温动物如何适应周围环境不仅加深了我们对自然复杂性的欣赏，也突显了在面对环境挑战时保护这些物种的重要性。当我们继续研究和了解这些非凡的生物时，我们获得了关于生命韧性和我们星球生态系统微妙平衡的宝贵见解。