Which of the following mammals lays egg?

Options

A. Bat
B. Scaly anteater
C. Spiny anteater
D. Whale

Answer

To determine which of the following mammals lays eggs, we need to analyze the characteristics of the given options.

1. **Understanding Mammals**: Most mammals are viviparous, meaning they give birth to live young rather than laying eggs. However, there are exceptions among mammals known as monotremes.

2. **Identifying Monotremes**: The two main examples of egg-laying mammals (monotremes) are the echidna and the platypus. These are the only mammals that lay eggs.

3. **Analyzing the Options**:
- **Bat**: Bats belong to the order Chiroptera and are viviparous. They give birth to live young.
- **Scaly Anteater (Pangolin)**: Pangolins are also viviparous and do not lay eggs.
- **Spiny Anteater (Echidna)**: The spiny anteater is a monotreme and is known for laying eggs. This is a correct option.
- **Whale**: Whales are viviparous mammals that give birth to live young.

4. **Conclusion**: Among the given options, the spiny anteater (Echidna) is the only mammal that lays eggs.

**Final Answer**: The spiny anteater (Echidna) is the mammal that lays eggs.

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