To determine the reproductive classification of sharks, we need to analyze the definitions of the terms provided in the question: oviparous, viviparous, and ovoviviparous.
### Step-by-Step Solution:
1. **Understand Oviparous**:
- Oviparous animals are those that lay eggs. The eggs develop and hatch outside the mother's body. Examples include birds and reptiles.
- **Hint**: Remember that oviparous means "egg-laying."
2. **Understand Viviparous**:
- Viviparous animals give birth to live young. In this case, the embryo develops inside the mother's body, receiving nourishment directly from her.
- **Hint**: Viviparous means "live birth."
3. **Understand Ovoviviparous**:
- Ovoviviparous animals produce eggs that hatch inside the mother's body. The young are born live, but they develop from eggs that remain within the mother until they are ready to hatch.
- **Hint**: Ovoviviparous means "eggs that hatch inside the body."
4. **Identify the Reproductive Method of Sharks**:
- Sharks are primarily classified as ovoviviparous. This means that they produce eggs that hatch inside the female's body, and the young are born live.
- **Hint**: Sharks are known for their unique reproductive strategy that combines elements of both egg-laying and live birth.
5. **Evaluate the Options**:
- The options provided were:
- A) Oviparous
- B) Viviparous
- C) Ovoviviparous
- D) Both A and C
- Since sharks are ovoviviparous, the correct answer is C) Ovoviviparous.
6. **Conclusion**:
- Therefore, the correct answer to the question "Shark is" is **C) Ovoviviparous**.
### Final Answer:
**C) Ovoviviparous**
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