colonial organism

例句：

1. 1. The colonial organisms werethriving in the new environment.
   殖民生物在新环境中蓬勃发展。
2. 2. The colonial organisms were responsiblefor the destruction of the ecosystem.
   殖民生物体对生态系统的破坏负有责任。
3. 3. Thecolonial organisms were a threat tothe survival of the species.
   殖民生物体对物种的生存构成威胁。