Question

matching 2 points arctic marine ecosystem: phytoplankton → krill → fish → seal → polar bear match each organism with its trophic role in an arctic food chain: polar bear phytoplankton seal fish krill (zooplankton)

Explanation:

Phytoplankton are primary - producers, making their own food through photosynthesis. Krill are primary - consumers as they eat phytoplankton. Fish are secondary consumers, preying on krill. Seals are tertiary consumers, feeding on fish. Polar bears are apex - predators, preying on seals.

Answer:

Phytoplankton - Primary Producer
Krill - Primary Consumer
Fish - Secondary Consumer
Seal - Tertiary Consumer
Polar Bear - Apex - Predator