Question

what happens in a flower after fertilization seeds and fruits are formed​

Answer 1

After fertilisation -

Ovary changes to fruit.

Ovary wall changes to pericarp.

Ovule changes to seed.

Funicle changes to stalk of seed.

Nucellus changes to perisperm.

Outer integument changes to testa.

Inner integument changes to tegmen.

Emryo sac changes to endosperm and embryo.

Tried to give you exact answer.

Hope I helped.

Answer 2

The ovary remains attached to the stalk of the flower and grows into a fruit. The ovules inside the ovary develop into seeds. Other parts, like the sepals and petals fall off.