Archegonium of Selaginella differs from that of Funaria in

Options

A. Embedded venter
B. Absence of stalk
C. short neck
D. All the above.

Answer

To answer the question regarding how the archegonium of Selaginella differs from that of Funaria, we can break down the differences step by step:

### Step-by-Step Solution:

1. **Classification**:
- **Selaginella** belongs to the division Pteridophyta, which are vascular plants.
- **Funaria** belongs to the division Bryophyta, which are non-vascular plants.
- **Difference**: Selaginella is vascular, while Funaria is non-vascular.

2. **Structure of Archegonium**:
- Both Selaginella and Funaria have archegonia as their female sex organs.
- In Selaginella, the archegonium has an embedded venter, which contains multiple cells.
- In Funaria, the venter is typically a single cell structure.
- **Difference**: The venter in Selaginella is multi-cellular, while in Funaria it is unicellular.

3. **Presence of Stalk**:
- The archegonium of Funaria has a stalk-like structure that supports it.
- In contrast, the archegonium of Selaginella lacks this stalk.
- **Difference**: Funaria has a stalk, whereas Selaginella does not.

4. **Neck Length**:
- The neck of the archegonium in Funaria is relatively long.
- In Selaginella, the neck is short, consisting of only a few cells (usually four).
- **Difference**: Funaria has a long neck, while Selaginella has a short neck.

5. **Conclusion**:
- Based on the above points, we can conclude that the archegonium of Selaginella differs from that of Funaria in several aspects: it has an embedded venter with multiple cells, lacks a stalk, and has a shorter neck.

### Final Answer:
The archegonium of Selaginella differs from that of Funaria in all of the following ways: it has an embedded venter, lacks a stalk, and has a short neck. Therefore, the correct answer is **option D: all of the above**.