After pollination, each pollen grain will develop a tiny tube which grows down towards the ovary to meet the egg in the ovule.
The nucleus of the male reproduction cell fuses with the egg. The fusion of a male reproductive cell with an egg to form a fertilised egg is called fertilisation.
After fertilisation, the petals and the parts which help in pollination wither and drop off. The ovary develops into a fruit, while the ovules inside the ovary develop into seeds. These seeds carry the fertilised eggs and will eventually develop into new plants. The fruit carries and protects the seeds until they are released when the fruit is ripe.