Which one of the following is the correct sequence of a food chain?

1. A. Diatoms-Crustaceans-Herrings
2. B. Crustaceans-Diatoms-Herrings
3. C. Diatoms-Herrings-Crustaceans
4. D. Crustaceans-Herrings-Diatom

Answer: A

Explanation

Diatoms-Crustaceans-Herrings