Question

this food web is from an ocean ecosystem in the ross sea, off the coast of antarctica.
which of the following organisms eat a primary consumer in this food web? select all that apply.
crabeater seal
ice algae
copepod

Explanation:

Step1: Identify primary consumers

Primary consumers eat producers. In this food - web, krill, copepod, and salps are primary consumers as they eat producers like diatom, ice algae.

Step2: Check each option

• Crabeater seal eats krill (a primary consumer), so it meets the requirement.
• Ice algae are producers, not consumers of primary consumers.
• Copepod is a primary consumer itself, not a consumer of primary consumers.

Answer:

crabeater seal