Corals are stenothermal/eurythermal animals.

Explanation

To determine whether corals are stenothermal or eurythermal animals, we need to understand the definitions of these terms and how they relate to corals.

### Step-by-Step Solution:

1. **Define Stenothermal and Eurythermal**:
- **Stenothermal Animals**: These are organisms that can only tolerate a narrow range of temperatures. They are sensitive to temperature changes and thrive in specific thermal environments.
- **Eurythermal Animals**: These organisms can tolerate a wide range of temperatures. They are more adaptable to varying thermal conditions.

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