两个生境的稀有类群有明显差异，反映了它们对环境的适应性及指示作用。

The rare groups in the two different habitats have much difference, which reflectS their adaptability to environment and plays the role in indication the environment.

youdao

两个生境的稀有类群有明显差异，反映了它们对环境的适应性及指示作用。

The rare groups in the two different habitats have much difference, which reflectS their adaptability to environment and plays the role in indication the environment.

youdao