Which one of these is referred to as Venus flower basket ?

Options

A. Euplectella
B. Sycon
C. Cilona
D. Spongilla

Answer

To determine which organism is referred to as the Venus flower basket, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify which organism is commonly known as the Venus flower basket.

2. **Review the Options**: The options provided include:
- Option 1: Eucalyptella
- Option 2: Cyclone
- Option 3: Cliona
- Option 4: Spongelite

3. **Identify Characteristics of Each Option**:
- **Eucalyptella**: This organism belongs to the phylum Porifera (sponges) and is specifically known as the Venus flower basket due to its unique structure.
- **Cyclone**: This is commonly referred to as a marine sponge but does not have the specific name Venus flower basket.
- **Cliona**: Known as the boring sponge, it is not referred to as the Venus flower basket.
- **Spongelite**: This is known as the freshwater sponge and is also not referred to as the Venus flower basket.

4. **Conclusion**: Based on the characteristics and common names associated with each organism, Eucalyptella is the only one referred to as the Venus flower basket.

5. **Final Answer**: Therefore, the correct answer is **Option 1: Eucalyptella**.