benthonic

例句：

1. 1. Benthic organisms play a crucial role in the ecosystem.
   水生生物在生态系统中起着至关重要的作用。
2. 2.The study of benthic organisms is essential for understanding marine biodiversity.
   研究水生生物对于理解海洋生物多样性至关重要。
3. 3. The research on benthic organisms has revealed new insights into the ecology of the deep sea.
   对水生生物的研究揭示了深海生态的新见解。