Differentiate between Antheridia and Archegonia.

Explanation

### Step-by-Step Text Solution:

1. **Definition and Function**:
- **Antheridia**: Antheridia are the male sex organs found in Bryophytes and Pteridophytes. They are responsible for producing male gametes (sperm).
- **Archegonia**: Archegonia are the female sex organs in these plants, responsible for producing female gametes (eggs).

2. **Structure**:
- **Antheridia**: The structure of antheridia is club-shaped and is typically borne on a short multicellular stalk.
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