Question

describe the stages of embryo sac formation in angiosperm​

Answer 1

here's ur answer mate

Ovary contains ovule. And ovule contains egg and two pollar nuclei. ... After that the zygote develops into a embryo and the triploid primary endosperm nucleus into endosperm which provide nourishment to the growing embryo. And then the ovule develop into seed and ovary fruit.

hope it helps you