此外，大多数物种并不完全依赖单一的资源，如果一个物种的主要资源变得稀缺，该物种通常可以转向替代资源。

Furthermore, most species do not depend entirely on a single resource, if the major resource for a species becomes scarce, the species can usually shift to alternative resources.

youdao

此外，大多数物种并不完全依赖单一的资源，如果一个物种的主要资源变得稀缺，该物种通常可以转向替代资源。

Furthermore, most species do not depend entirely on a single resource, if the major resource for a species becomes scarce, the species can usually shift to alternative resources.

youdao