Question

this diagram shows a food chain from chesapeake bay, an estuary ecosystem in maryland and virginia. in this food chain, the butterfish is a secondary consumer. why? it eats a producer. it eats a primary consumer. it eats a tertiary consumer.

Explanation:

In a food chain, producers (like seagrass) make their own food. Primary consumers (like sea squirt) eat producers. Secondary consumers eat primary consumers. Since butterfish is a secondary consumer, it must eat a primary consumer.

Answer:

It eats a primary consumer.