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. adélie penguin krill diatom

Explanation:

Step1: Identify primary consumers

In a food - web, primary consumers eat producers. Producers in this food - web include diatoms and ice algae. Primary consumers include krill, copepod, etc.

Step2: Analyze each option

• Adélie penguin: It eats silverfish and copepod (primary consumers), so it eats primary consumers.
• Krill: It eats diatoms (producers) and is a primary consumer itself, not an organism that eats primary consumers.
• Diatom: It is a producer, not an organism that eats primary consumers.

Answer:

Adélie penguin