extinct species

简明释义

灭绝的物种

英英释义

例句

1.Scientists study extinct species 灭绝物种 to understand the effects of climate change on biodiversity.

科学家研究灭绝物种 灭绝物种以了解气候变化对生物多样性的影响。

2.Conservation efforts aim to prevent more animals from becoming extinct species 灭绝物种.

保护工作旨在防止更多动物变成灭绝物种 灭绝物种。

3.The dodo bird is often cited as a classic example of an extinct species 灭绝物种 due to human activity.

渡渡鸟常被引用为因人类活动而导致的经典灭绝物种 灭绝物种的例子。

4.The woolly mammoth is one of the most famous extinct species 灭绝物种 from the last Ice Age.

猛犸象是最后一个冰河时代最著名的灭绝物种 灭绝物种之一。

5.The fossil record provides evidence of many extinct species 灭绝物种 that once roamed the Earth.

化石记录提供了许多曾在地球上漫游的灭绝物种 灭绝物种的证据。

作文

The extinction of species is a pressing issue that affects our planet's biodiversity. An extinct species (灭绝物种) refers to a species that no longer exists anywhere on Earth. This phenomenon has been occurring for millions of years, but the current rate of extinction is alarming and largely driven by human activities. One of the primary causes of the extinction of species is habitat destruction. As humans expand their cities, agriculture, and industries, natural habitats are being destroyed at an unprecedented rate. Forests are cut down for timber and land for farming, wetlands are drained for development, and oceans are overfished. These actions not only eliminate the homes of countless species but also disrupt the delicate balance of ecosystems. When a species loses its habitat, it faces increased competition for food and resources, leading to a higher risk of extinction.Another significant factor contributing to the decline of various species is climate change. Rising temperatures, changing precipitation patterns, and extreme weather events can alter habitats and threaten the survival of many organisms. For example, polar bears, which rely on sea ice to hunt seals, are facing severe challenges as the ice melts due to global warming. The loss of such a keystone species can have cascading effects on the entire ecosystem.Pollution is also a major threat to biodiversity. Chemicals released into the environment can contaminate air, water, and soil, affecting the health of both wildlife and humans. For instance, pesticides used in agriculture can harm non-target species, including bees, which are crucial for pollination. The decline of bee populations can lead to decreased crop yields and further threaten food security.Invasive species pose another challenge to native wildlife. When humans introduce non-native species to new environments, these invaders can outcompete, prey upon, or bring diseases to native species. The result can be devastating; for example, the introduction of the brown tree snake in Guam led to the extinction of several bird species, drastically altering the island's ecosystem.Conservation efforts are essential to prevent the further loss of extinct species (灭绝物种). Protected areas, such as national parks and wildlife reserves, play a critical role in safeguarding habitats and the species that inhabit them. Additionally, international agreements like the Convention on Biological Diversity aim to promote sustainable practices and protect endangered species from extinction.Public awareness and education are also vital in addressing this crisis. By understanding the importance of biodiversity and the threats that species face, individuals can take action in their own lives, such as supporting conservation organizations, reducing waste, and advocating for policies that protect the environment. In conclusion, the extinction of species is a complex issue that requires urgent attention. Understanding what an extinct species (灭绝物种) is and recognizing the factors contributing to their decline is crucial for the future of our planet. Through collective efforts in conservation, education, and sustainable practices, we can work towards protecting the rich tapestry of life that exists on Earth and ensure that future generations inherit a world filled with diverse and thriving species.

物种灭绝是一个影响我们星球生物多样性的紧迫问题。灭绝物种是指在地球上不再存在的物种。这一现象已经发生了数百万年，但目前的灭绝速度令人震惊，主要是由人类活动驱动的。物种灭绝的主要原因之一是栖息地破坏。随着人类扩展城市、农业和工业，自然栖息地以空前的速度被摧毁。森林被砍伐用于木材和农业用地，湿地被排干用于开发，海洋被过度捕捞。这些行为不仅消除了无数物种的栖息地，还破坏了生态系统的微妙平衡。当一个物种失去栖息地时，它面临着食物和资源竞争加剧的风险，从而导致灭绝的可能性增加。气候变化也是导致各种物种减少的重要因素。气温上升、降水模式变化和极端天气事件可能会改变栖息地，威胁许多生物的生存。例如，依赖海冰捕猎海豹的北极熊，由于全球变暖，冰层融化面临严重挑战。这样的关键物种的丧失可能对整个生态系统产生连锁反应。污染也是生物多样性的主要威胁。释放到环境中的化学物质可能会污染空气、水和土壤，影响野生动物和人类的健康。例如，农业中使用的农药可能会伤害非目标物种，包括对授粉至关重要的蜜蜂。蜜蜂种群的减少可能导致作物产量下降，进一步威胁粮食安全。入侵物种对本土野生动物构成了另一个挑战。当人类将非本土物种引入新环境时，这些入侵者可能会与本土物种争夺资源、捕食或传播疾病。结果可能是毁灭性的；例如，棕树蛇在关岛的引入导致几种鸟类灭绝，彻底改变了该岛的生态系统。保护努力对于防止更多灭绝物种的丧失至关重要。保护区，如国家公园和野生动物保护区，在保护栖息地及其栖息的物种方面发挥着关键作用。此外，《生物多样性公约》等国际协议旨在促进可持续实践，保护濒危物种免于灭绝。公众意识和教育在应对这一危机中也至关重要。通过了解生物多样性的重要性及物种面临的威胁，个人可以在自己的生活中采取行动，例如支持保护组织、减少浪费以及倡导保护环境的政策。总之，物种灭绝是一个复杂的问题，需要紧急关注。了解什么是灭绝物种并认识到导致其减少的因素，对于我们星球的未来至关重要。通过在保护、教育和可持续实践方面的共同努力，我们可以致力于保护地球上丰富的生命织锦，确保未来世代继承一个充满多样性和繁荣物种的世界。