procaryotic

例句：

1. 1. Prokaryotes are the smallest form of life known to science.
   原核生物是已知的最原始的生命形式。
2. 2.The study of prokaryotes is crucial for understanding the origins of life on Earth.
   研究原核生物对于理解地球上生命的起源至关重要。
3. 3. Prokaryotes play a vital role in maintaining the balance of ecosystems.
   原核生物在维持生态系统平衡中起着重要作用。