proangiosperm

例句：

1. 1. The proangiosperm is a rare and valuable species ofplant.
   这种植物是稀有且珍贵的物种。
2. 2. Proangiosperms are known for theirunique adaptations to extreme environments.
   已知的有特殊适应极端环境的植物。
3. 3. In the studyof ecology, proangiosperms play a crucial role in understanding theinteractions between organisms and their environment.
   在生态学研究中，原核生物在理解生物与其环境之间的相互作用中起着关键作用。