impact hypothesis

例句：

1. 1. The impact hypothesis suggeststhat the climate change is a significant factorin the extinction of species.
   影响假设表明气候变化是物种灭绝的一个重要因素。
2. 2. The impacthypothesis has been tested by various scientific experiments.
   影响假设已经通过各种科学实验进行了测试。
3. 3.The impact hypothesis has led to many newdiscoveries in the field of ecology.
   影响假设在生态学领域引发了许多新的发现。