kalloplankton

例句：

1. 1. The kalloplankton in the ocean are essential for marine ecosystems.
   海洋中的浮游植物对海洋生态系统至关重要。
2. 2. Many species of kalloplankton are known to be harmful to humans.
   许多种类的浮游植物对人类有害。
3. 3. Researchers have been studying the kalloplankton to understand their impact on the environment.
   研究人员一直在研究浮游植物，以了解它们对环境的影响。