Question

this food web is from an ocean ecosystem in the ross sea, off the coast of antarctica. which arrows show matter moving from a primary consumer to a decomposer? select all that apply. the arrow between the salps and the bacteria the arrow between the emperor penguin and the polychaete worm the arrow between the copepod and the silverfish

Explanation:

Step1: Identify primary consumers

Primary consumers eat producers. In this food - web, salps are primary consumers as they consume ice - algae.

Step2: Identify decomposers

Bacteria are decomposers. The arrow from salps to bacteria shows matter moving from a primary consumer to a decomposer.

Step3: Check other options

The emperor penguin is a secondary or higher - level consumer, and the polychaete worm is not a decomposer. The copepod and silverfish are both consumers, and there is no decomposer involved in the relationship between them.

Answer:

the arrow between the salps and the bacteria