Answer:
Plankton is likely to be in the lowest trophic level of an ocean food chain.
Step-by-step explanation:
Plankton are the diverse collection of organisms found in water that are unable to propel themselves against a current. The individual organisms constituting plankton are called plankters. In the ocean, they provide a crucial source of food to many small and large aquatic organisms, such as bivalves, fish and whales.