Changes occur in flowering plants:

Sepal, petals, stamens,

Fall off

Zygote

Embryo

Primary endosperm nucleus

Endosperm (3 N)

Synergid, antipodal cells

Disintegrate

Ovary

Fruit

Ovule

Seed

Ovary wall

Pericarp (epicarp + mesocarp + endocarp)

Outer Integument

testa

Inner Integument

tegmen