After fertilization,the wall of the ovary develops into which of the following?

The edible part of an apple is:

Testa and tegmen of the seed coat represent

What do the following parts of a flower develop into after fertilisation? $(a)$ Ovary $(b)$ Ovules.

When the outer integument of an ovule becomes fleshy,it is called:

Seeds are adaptively important because:
$1.$ they maintain dormancy
$2.$ they protect young plants during vulnerable stages
$3.$ they store food for young plants,and facilitate dispersal