Viviparity is found in

Options

A. sharks
B. lizards
C. frogs
D. birds

Answer

**Step-by-Step Solution:**

1. **Understanding Viviparity**: Viviparity is a reproductive strategy where the development of the embryo occurs inside the female body. This means that the young ones are born alive rather than hatching from eggs.

2. **Identifying Viviparous Animals**: Viviparous animals are those that give birth to live young. Examples of viviparous animals include mammals and some species of fish, such as sharks.

3. **Analyzing the Options**: In the question, we need to identify which of the given options includes viviparous animals. The options provided include:
- Sharks
- Lizards
- Frogs
- Birds

4. **Classifying the Options**:
- **Sharks**: These are viviparous animals as they give birth to live young after the embryo develops inside the female.
- **Lizards**: Generally oviparous, laying eggs.
- **Frogs**: Typically oviparous, also laying eggs.
- **Birds**: Oviparous, as they lay eggs.

5. **Conclusion**: Based on the classification, the correct answer to the question "Viviparity is found in" is **Sharks**, as they are the only viviparous animals listed in the options.

**Final Answer**: Viviparity is found in sharks.

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