Which part of the flower changes into seed after fertilization?

Explanation

To answer the question "Which part of the flower changes into seed after fertilization?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Fertilization**:
- Fertilization is the process where the male gamete (pollen) fuses with the female gamete (ovule) to form a zygote. This is a crucial step in sexual reproduction in flowering plants.

2. **Identifying the Structures**:
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