Differntiate between stenohaline and euryhaline organisms.

Explanation

### Step-by-Step Solution

**Step 1: Define Stenohaline Organisms**
- Stenohaline organisms are those that can only survive within a narrow range of salinity levels. They are sensitive to changes in salinity and can thrive in either freshwater or saltwater, but not both.

**Step 2: Define Euryhaline Organisms**
- Euryhaline organisms, on the other hand, can tolerate a wide range of salinity levels. They are adaptable and can survive in various aquatic environments, including freshwater, saltwater, and brackish water.

...