species nova

例句：

1. 1.The discovery of a new species has sparked excitement in the scientific community.
   发现一个新物种在科学界引起了兴奋。
2. 2. The ecologists are studying the effects of climate change on new species.
   生态学家正在研究气候变化对新物种的影响。
3. 3. The introduction of this new species into the ecosystem poses a threat to the existing flora and fauna.
   这种新物种被引入生态系统，对现有的动植物构成了威胁。