Name the male and female organs in a fern.

Explanation

### Step-by-Step Solution:

1. **Identify the Male Organ**: In ferns, the male reproductive organ is called the **Antheridium**. It is responsible for producing sperm.

2. **Identify the Female Organ**: The female reproductive organ in ferns is known as the **Archegonium**. This organ produces eggs.

3. **Structure of Antheridium**: The Antheridium can be described as either a sunken or protruding structure, where the sperm is produced.

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