生态系统

例句：

1. 1. The ecosystem is home to a variety of plant and animal species.
   这个生态系统是各种植物和动物的家园。
2. 2. The loss of biodiversity in the ecosystem has significant implications for human well-being.
   生态系统中生物多样性的丧失对人类福祉有着深远的影响。
3. 3. The ecosystem engineers are responsible for maintaining the balance of the natural world.
   生态系统工程师负责维护自然界的平衡。