adaptive radiation

简明释义

1. 趋异; 2. 适应分异; 3. 适应辐射;

英英释义

例句

1.In ecology, adaptive radiation 适应性辐射 is often studied to understand how species evolve and adapt to their environments.

在生态学中，适应性辐射通常被研究以理解物种如何进化和适应其环境。

2.The finches of the Galápagos are a classic example of adaptive radiation 适应性辐射, with different beak shapes suited for different food sources.

加拉帕戈斯的雀类是适应性辐射的经典例子，不同的喙形状适合不同的食物来源。

3.After the dinosaurs went extinct, mammals underwent adaptive radiation 适应性辐射 to fill various ecological niches.

在恐龙灭绝后，哺乳动物经历了适应性辐射以填补各种生态位。

4.The process of adaptive radiation 适应性辐射 led to the emergence of numerous bird species in the Galápagos Islands.

在加拉帕戈斯群岛，适应性辐射的过程导致了许多鸟类物种的出现。

5.The rapid diversification of cichlid fish in African lakes is a remarkable instance of adaptive radiation 适应性辐射.

非洲湖泊中慈鲷鱼的快速多样化是适应性辐射的一个显著实例。

作文

Adaptive radiation is a fascinating evolutionary process that illustrates how species can diversify and adapt to various ecological niches. This phenomenon occurs when a single ancestral species rapidly evolves into a wide variety of forms, each adapted to specific environments or lifestyles. The concept of adaptive radiation (适应性辐射) is crucial in understanding biodiversity and the mechanisms that drive evolution.One classic example of adaptive radiation (适应性辐射) is the evolution of Darwin's finches on the Galápagos Islands. These birds descended from a common ancestor and have adapted to different islands with varying food sources. Over time, they developed diverse beak shapes and sizes that allow them to exploit different types of food, such as seeds, insects, and flowers. This diversification is a clear illustration of how adaptive radiation (适应性辐射) enables species to fill ecological roles and thrive in distinct environments.Another notable instance of adaptive radiation (适应性辐射) can be seen in the cichlid fish of African Great Lakes. These lakes are home to hundreds of cichlid species, each adapted to different habitats, diets, and reproductive strategies. The rapid evolution of these fish is driven by factors such as sexual selection and resource availability, showcasing how adaptive radiation (适应性辐射) can lead to an explosion of diversity in a relatively short period.The process of adaptive radiation (适应性辐射) often follows significant environmental changes or the introduction of new habitats. For instance, after the extinction of dinosaurs, mammals underwent a remarkable adaptive radiation (适应性辐射), filling the ecological void left by the dominant reptiles. This led to the emergence of various mammalian forms, from tiny rodents to massive elephants, each adapted to their unique environments.Understanding adaptive radiation (适应性辐射) is essential for conservation biology as well. As human activities continue to alter ecosystems through habitat destruction, climate change, and pollution, the ability of species to adapt and radiate into new forms may be compromised. Protecting biodiversity and ensuring that ecosystems remain intact is vital for allowing future adaptive radiation (适应性辐射) events to occur.In conclusion, adaptive radiation (适应性辐射) is a key concept in evolutionary biology that explains how species diversify and adapt to their environments. Through examples like Darwin's finches and African cichlids, we can see the profound impact of this process on the richness of life on Earth. As we face ongoing environmental challenges, recognizing the importance of adaptive radiation (适应性辐射) helps us appreciate the delicate balance of ecosystems and the need for conservation efforts to protect the myriad forms of life that share our planet.