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火绒在生态系统中扮演着重要的角色，它通常是植物上附着的一层柔软的绒毛。此现象常见于特定栖息地，有助于保护 植物免受严寒的影响。值得一提的是，绒毛也可能为特定 生物提供栖息地。 它们 在保障 生物多样性方面起着不可忽视的作用。 ``` 红帽火绒 红�