What are cold blooded animals? Give one example.

Explanation

### Step-by-Step Solution:

1. **Definition of Cold-Blooded Animals**: Cold-blooded animals, scientifically known as Poikilotherms, are organisms whose body temperature varies with the temperature of their external environment.

2. **Mechanism of Temperature Regulation**: These animals do not have an internal mechanism to regulate their body temperature. Instead, their body temperature fluctuates based on the surrounding environmental conditions.

3. **Examples of Cold-Blooded Animals**: Common examples of cold-blooded animals include amphibians (like frogs) and reptiles (like snakes and lizards). These animals can adapt their body temperature according to the external temperature.

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