With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Explanation

### Step-by-Step Solution

**Step 1: Understanding the Female Gametophyte**
The female gametophyte, also known as the embryo sac, is formed from the megaspore mother cell through a series of mitotic divisions.

**Step 2: Megaspore Mother Cell Division**
The megaspore mother cell undergoes meiosis to produce four haploid megaspores, but typically only one of these megaspores survives and develops further.

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