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 producer in this food web? select all that apply. crabeater seal adélie penguin microzooplankton

Explanation:

Step1: Identify producers in the food - web

Producers in the given food - web are diatom, ice algae.

Step2: Check each organism's diet

• Crab - eater seal: It eats krill, and krill eats diatom (a producer), so it indirectly eats a producer.
• Adélie penguin: It eats copepod and silverfish. Copepod eats diatom (a producer), so it indirectly eats a producer.
• Microzooplankton: It eats diatom (a producer), so it directly eats a producer.

Answer:

crab eater seal, Adélie penguin, microzooplankton