Explain what would likely happen if there were no shrimp in the close ecosystem

It greatly affect population of fish.

Explanation:

If there were no shrimp in the close ecosystem then many fishes die due to lack f food because shrimp is the food of many small and large fishes. They also play a great role in protection of fish's skin by eating parasite, bacteria and fungi present on their skin so it also act as scavengers so if these shrimps are not present many fishes die due to various diseases and the ecosystem would be disturb.

this transfer is call conjunction