ecologic facies

例句：

1. 1. Thestudy of the ecologic facies iscrucial for understanding the evolution of ecosystems.
   研究生态地层对于理解生态系统的演变至关重要。
2. 2. The fossil record provides evidence ofthe changing ecologic facies throughout history.
   化石记录提供了历史中不断变化的生态地层的证据。
3. 3. The research on the ecologic facies has led to new insightsinto the interactions between different species and theirenvironments.
   对生态地层的研究表明，不同物种与其环境之间的相互作用有了新的洞见。