The concept of biodiversity encompasses not only the variety of species within an ecosystem but also the genetic diversity within each species and the diversity of ecosystems themselves. Recent studies indicate that high biodiversity enhances ecosystem resilience, allowing habitats to recover more quickly from disturbances such as fires or floods. Conversely, simplified ecosystems, often resulting from monoculture farming or urban development, tend to be more vulnerable to invasive species and diseases. Furthermore, biodiversity plays a critical role in supporting essential services like pollination, nutrient cycling, and water purification. However, the loss of biodiversity is accelerating due to human activities, including habitat destruction and climate change. Conservation efforts, therefore, must focus on protecting entire ecosystems rather than individual species in isolation, as interconnected species rely on one another for survival and stability.
❓ 根据这篇文章,高生物多样性对生态系统有益的一个关键原因是什么?
A. A. 它增加了生态系统中入侵物种的数量。
B. B. 它有助于生态系统从干扰中更快恢复。
C. C. 它简化了生态系统内的食物链。
D. D. 它减少了对授粉和水净化的需求。
✅ 正确答案
B. It helps ecosystems recover more quickly from disturbances.