How does the process of fertilisation take place in flowers?

Explanation

### Step-by-Step Solution:

1. **Pollination**: The process of fertilization begins with pollination, where pollen grains (male gametes) are transferred from the anthers (male part of the flower) to the stigma (female part of the flower).

2. **Germination of Pollen Grain**: Once the pollen grain lands on the stigma, it germinates. This means that it begins to grow and develop a structure called the pollen tube.

3. **Formation of Pollen Tube**: The pollen tube grows down through the style, which is the elongated part of the female reproductive structure, connecting the stigma to the ovary.

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