Question

the illustration shows a representative food web found in the marine environment. which food chain best represents one flow of energy through this marine ecosystem?

Explanation:

Food chains show energy - flow. In this web, a possible chain is phytoplankton→krill→fish→penguins→leopard seal→smaller toothed whales. It represents one energy - flow path.

Answer:

Phytoplankton→krill→fish→penguins→leopard seal→smaller toothed whales