Madreporite or sieve plate is found in

Options

A. sea hares
B. sea lemons
C. star fishes
D. sea lions

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the madreporite or sieve plate is found. This is a specific anatomical feature associated with certain marine organisms.

2. **Identifying the Options**: The options provided are:
- Sea hares
- Sea lemons
- Starfishes
- Sea lions

3. **Analyzing Each Option**:
- **Sea Hares**: These are mollusks, specifically a type of sea slug. They do not possess a madreporite.
- **Sea Lemons**: This term also refers to a type of sea slug within the mollusk phylum. They similarly do not have a madreporite.
- **Starfishes**: Starfishes, or sea stars, belong to the phylum Echinodermata. They are known to have a madreporite, which is crucial for their water vascular system.
- **Sea Lions**: These are marine mammals and do not have a madreporite as they are not echinoderms.

4. **Conclusion**: Based on the analysis, the only option that contains a madreporite is **starfishes** (echinoderms).

5. **Final Answer**: The correct answer is **starfishes**.

---