arthrophyte

例句：

1. 1. The plant is a member of the order Arthrophyta.
   这种植物属于纲Arthrophyta。
2. 2. The algae are an important source of food for many marine animals.
   藻类是许多海洋动物的重要食物来源。
3. 3. The algae play a crucial role in maintaining the balance of the ocean ecosystem.
   藻类在维持海洋生态系统平衡中起着至关重要的作用。