adaptive significance

简明释义

适应值

英英释义

例句

1.Understanding the adaptive significance of a species' reproductive strategies can help in conservation efforts.

理解一个物种繁殖策略的适应性意义可以帮助保护工作。

2.In evolutionary biology, the adaptive significance of physical characteristics is a key area of research.

在进化生物学中，身体特征的适应性意义是一个关键研究领域。

3.The study of animal behavior often focuses on the adaptive significance of various traits, such as camouflage.

动物行为的研究通常关注各种特征的适应性意义，例如伪装。

4.The adaptive significance of certain plant traits can be observed in their responses to environmental stress.

某些植物特征的适应性意义可以通过它们对环境压力的反应观察到。

5.Researchers are investigating the adaptive significance of migratory patterns in birds.

研究人员正在调查鸟类迁徙模式的适应性意义。

作文

The concept of adaptive significance plays a crucial role in understanding the evolution and survival of species in their respective environments. In essence, adaptive significance refers to the functional role that a trait or behavior plays in enhancing an organism's fitness, which is its ability to survive and reproduce in a given environment. For example, consider the long neck of a giraffe. The adaptive significance of this trait can be observed in how it allows giraffes to reach leaves high up in trees, thus providing them with access to food that shorter herbivores cannot reach. This advantage not only aids in their survival but also increases their reproductive success, as they are better nourished and more capable of raising offspring.Furthermore, the adaptive significance of traits can vary depending on environmental conditions. Take the case of the peppered moth during the Industrial Revolution in England. Originally, most peppered moths were light-colored, which helped them blend into the lichen-covered trees. However, as pollution darkened the trees, the adaptive significance of the darker moths increased because they became less visible to predators. This shift in population dynamics illustrates how changes in the environment can influence which traits are favored by natural selection.Additionally, the adaptive significance of certain behaviors can also be observed in social animals. For instance, in wolf packs, cooperative hunting strategies enhance the chances of capturing prey, which directly impacts the survival of the pack. The adaptive significance of such social behaviors lies in their contribution to the overall fitness of the group, ensuring that members can thrive together, share resources, and raise young more effectively.In conclusion, understanding the adaptive significance of various traits and behaviors is essential for comprehending the complexities of evolutionary biology. It allows us to appreciate how organisms adapt to their environments over time, ensuring their survival and reproductive success. By examining these traits through the lens of adaptive significance, we gain insights into the intricate relationships between organisms and their ecosystems, ultimately enriching our knowledge of life on Earth.

适应性意义的概念在理解物种在其各自环境中的进化和生存中起着至关重要的作用。本质上，适应性意义指的是某一特征或行为在增强生物体的适应度方面所起的功能性作用，而适应度是指生物体在特定环境中生存和繁殖的能力。例如，考虑长颈鹿的长脖子。这个特征的适应性意义可以通过它如何使长颈鹿能够到达高树上的叶子来观察，从而为它们提供了短小草食动物无法触及的食物。这种优势不仅有助于它们的生存，还增加了它们的繁殖成功，因为它们得到了更好的营养，更能抚养后代。此外，某些特征的适应性意义可能会因环境条件而异。以工业革命时期的斑点蛾为例。最初，大多数斑点蛾是浅色的，这帮助它们与覆盖苔藓的树木融为一体。然而，随着污染使树木变黑，深色蛾子的适应性意义增加，因为它们对捕食者变得不那么明显。这种种群动态的变化说明了环境变化如何影响自然选择偏爱的特征。此外，某些行为的适应性意义也可以在社会动物中观察到。例如，在狼群中，合作狩猎策略提高了捕获猎物的机会，这直接影响了群体的生存。这样的社会行为的适应性意义在于它们对整个群体适应度的贡献，确保成员能够共同繁荣，分享资源，更有效地抚养幼崽。总之，理解各种特征和行为的适应性意义对于理解进化生物学的复杂性至关重要。它使我们能够欣赏生物体如何随着时间的推移适应其环境，从而确保其生存和繁殖成功。通过从适应性意义的角度审视这些特征，我们获得了对生物体与其生态系统之间复杂关系的洞察，最终丰富了我们对地球生命的认识。