The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources.
提出的理论是，当未利用资源数量增加时，植物群落更容易受到入侵。
2
As a result, so the theory goes, the Ice Age animals that depended on plant diversity couldn't survive.
结果，根据这个理论，依赖植物多样性的冰河时代动物无法生存。
3
In theory, the risk-assessment plan, if adopted, could slow or stop the granting of a commercial license for the proposed laser plant or could result in design improvements.