Answer/Explanation:
*-Fish play an essential role in nutrient cycles because they store many ecosystem nutrients in their tissues.
*-They are food
*-they recycle the nutrients they bring in
*-The fish also provide the fertilizer sea grass, and algae need to grow.
*-And also, fish is essential because, without them, our life wouldn't be the same, and the ocean wouldn't be able to perform all the things that the ocean does.
