age of mammals

简明释义

1. 哺乳动物时代; 2. 哺乳动物时代第三纪;

英英释义

例句

1.Scientists study the climatic changes that occurred during the age of mammals (哺乳动物的时代) to understand their impact on biodiversity.

科学家研究哺乳动物的时代期间发生的气候变化，以了解其对生物多样性的影响。

2.The dominance of mammals in various ecosystems is a hallmark of the age of mammals (哺乳动物的时代).

哺乳动物在各种生态系统中的主导地位是哺乳动物的时代的一大特征。

3.During the age of mammals (哺乳动物的时代), many new species evolved, including the ancestors of modern humans.

在哺乳动物的时代，许多新物种进化，包括现代人类的祖先。

4.The extinction of dinosaurs marked the beginning of the age of mammals (哺乳动物的时代), allowing mammals to diversify and thrive.

恐龙的灭绝标志着哺乳动物的时代的开始，使得哺乳动物能够多样化并繁荣。

5.The fossils discovered in this region provide evidence of life during the age of mammals (哺乳动物的时代).

在这个地区发现的化石提供了关于哺乳动物的时代生活的证据。

作文

The age of mammals refers to a significant period in Earth's history, marked by the dominance and diversification of mammals following the extinction of the dinosaurs around 65 million years ago. This era has witnessed an incredible evolutionary journey that has shaped the planet's biodiversity and ecological systems. Understanding the age of mammals is crucial for appreciating the development of life on Earth and the intricate relationships among species.During the age of mammals, mammals evolved from small, nocturnal creatures into a wide array of forms, sizes, and adaptations. This evolutionary radiation allowed them to occupy various ecological niches, from the vast oceans to the highest mountains. The rise of mammals was not just a result of the absence of dinosaurs; it was also influenced by climatic changes, the availability of resources, and the emergence of new habitats. For instance, the cooling climate during the late Paleocene and early Eocene epochs led to the development of diverse flora, which in turn supported the growth of herbivorous mammals.One of the most fascinating aspects of the age of mammals is the emergence of different mammalian groups, including primates, cetaceans, and carnivores. Primates, which include humans, evolved traits that favored social interaction and complex behaviors. This evolutionary path eventually led to the development of human intelligence and culture. Cetaceans, such as whales and dolphins, adapted to life in the water, showcasing the incredible versatility of mammals. Meanwhile, carnivores like lions and wolves developed hunting strategies and social structures that made them effective predators.The age of mammals has also been marked by significant events, such as the Ice Ages, which drastically altered habitats and prompted migrations. These climatic shifts forced mammals to adapt or face extinction, leading to the emergence of new species. The woolly mammoth and saber-toothed cat are prime examples of mammals that thrived during these periods but eventually succumbed to changing environments and human activities.In addition to the biological evolution of mammals, the age of mammals has profound implications for understanding human impact on the environment. As humans have become the dominant species on the planet, we have drastically altered ecosystems through deforestation, pollution, and climate change. The extinction of numerous mammalian species in recent centuries serves as a stark reminder of the fragility of life and the interconnectedness of all species.In conclusion, the age of mammals is a remarkable chapter in the history of life on Earth. It highlights the resilience and adaptability of mammals in the face of environmental changes and challenges. By studying this era, we gain insights into the complexities of evolution, the importance of biodiversity, and the need for conservation efforts to protect the remaining mammalian species. Understanding the age of mammals not only enriches our knowledge of natural history but also emphasizes our responsibility towards the planet and its inhabitants.

哺乳动物时代（age of mammals）是地球历史上一个重要的时期，标志着在大约6500万年前恐龙灭绝后，哺乳动物的主导地位和多样化。这个时代见证了令人难以置信的进化历程，塑造了地球的生物多样性和生态系统。理解age of mammals对于欣赏地球生命的发展以及物种之间错综复杂的关系至关重要。在age of mammals期间，哺乳动物从小型夜行生物演变为各种形式、大小和适应性的生物。这种进化辐射使它们能够占据从广阔海洋到高耸山脉的各种生态位。哺乳动物的崛起不仅是恐龙缺席的结果，还受到气候变化、资源可用性和新栖息地出现的影响。例如，晚古新世和早始新世时期的气候变冷导致了多样化植物群的发展，反过来又支持了食草哺乳动物的增长。age of mammals最引人入胜的方面之一是不同哺乳动物群体的出现，包括灵长类动物、鲸目动物和食肉动物。灵长类动物，包括人类，进化出了有利于社会互动和复杂行为的特征。这一路径最终导致了人类智力和文化的发展。鲸目动物，如鲸鱼和海豚，适应了水中生活，展示了哺乳动物的惊人多样性。与此同时，像狮子和狼这样的食肉动物发展出狩猎策略和社会结构，使它们成为有效的捕食者。age of mammals还标志着一些重大事件，例如冰河时代，这些事件极大地改变了栖息地并促使迁徙。这些气候变化迫使哺乳动物适应或面临灭绝，从而导致新物种的出现。猛犸象和剑齿虎就是在这些时期繁盛但最终因环境变化和人类活动而灭绝的哺乳动物的典型例子。除了哺乳动物的生物进化外，age of mammals对理解人类对环境的影响也具有深远的意义。随着人类成为地球上的主导物种，我们通过森林砍伐、污染和气候变化极大地改变了生态系统。近年来众多哺乳动物物种的灭绝是生命脆弱性和所有物种相互联系的严峻提醒。总之，age of mammals是地球生命历史上一个非凡的篇章。它突显了哺乳动物在面对环境变化和挑战时的韧性和适应能力。通过研究这一时代，我们获得了对进化复杂性的洞察，认识到生物多样性的重要性，以及保护剩余哺乳动物物种的必要性。理解age of mammals不仅丰富了我们对自然历史的知识，还强调了我们对地球及其居民的责任。