Write the changes a fertilized ovule undergoes within the ovary in an angiosperm plant.

Explanation

To understand the changes that a fertilized ovule undergoes within the ovary of an angiosperm plant, we can break down the process into several key steps:

### Step-by-Step Solution:

1. **Fertilization**: After the sperm fertilizes the egg cell within the ovule, the fertilized ovule begins its transformation.

2. **Formation of the Embryo**: The fertilized egg cell develops into an embryo. This is the first significant change that occurs post-fertilization.

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