Answer: Plankton can be producers, consumers, or recyclers, depending on which trophic level they belong to.
Step-by-step explanation:
All plankton are classified as one of three types: phytoplankton, zooplankton and bacterioplankton. Phytoplankton, such as algae and cyanobacteria, live near the surface of the water and use sunlight to produce energy through photosynthesis.