The correct order for a possible food chain in the ocean from start to finish is:
phytoplankton, zooplankton, small fish, large fish, large shark
In this chain:
- Phytoplankton are the primary producers that convert sunlight into energy through photosynthesis.
- Zooplankton are primary consumers that feed on phytoplankton.
- Small fish are secondary consumers that eat zooplankton.
- Large fish are tertiary consumers that feed on small fish.
- Large sharks are apex predators that feed on large fish.
So, the last option you provided is the accurate representation of a food chain in the ocean:
"phytoplankton, zooplankton, small fish, large fish, large shark".