Mention five peculiar features of each of Class Mammalia and Class Amphibia.

Explanation

### Step-by-Step Text Solution

**Peculiar Features of Class Mammalia:**

1. **Warm-blooded:** Mammals maintain a constant body temperature regardless of external conditions. This ability to regulate body temperature is known as endothermy.

2. **Body Covered with Hair:** Mammals possess hair or fur covering their bodies, which is unique to this class and serves various functions including insulation and protection.

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