Choanoflagellata

例句：

1. 1. The choanoflagellates are a group of microscopic organisms that live in the ocean.
   水生原生动物是一类生活在海洋中的微小生物。
2. 2.This discovery has sparked interest in the study of choanoflagellates.
   这一发现激发了对水生原生动物研究的兴趣。
3. 3. Choanoflagellates play a crucial role in the food chain, as they are primary consumers in many marine ecosystems.
   水生原生动物在食物链中起着至关重要的作用，因为它们是许多海洋生态系统中的主要消费者。