Development of Embryo Sac

Development of an embryo sac from a nucellar cell is

Development of embryo from a cell of embryo sac other than egg is an example of

When all the four megaspores take part in the development of an embryo sac, it refers to:

In flowering plants , arrange the following steps in their correct sequence . (a) Formation of the embryo sac (b) Megasporogenesis (c) Formation of endosperm (d) Fertilization (e) Development of embryo

Embryo sac is

Embryo sac is

What do you think is the correct sequence of the development of the embryo sac ?

(a) Explain the development of female gametophyte from a megaspore mother cell in an angiosperm. (b) Draw a labelled diagram of a fully developed embryo sac.

Explain with the help of a diagram the development of a mature embryo sac from a megaspore mother cell in angiosperm.