After fertilization, what do the ovule and ovary develop into?

Provide the appropriate terms for the following analogies:
$(i)$ In Gymnosperms,Zygote : Embryo :: Ovule : ...
$(ii)$ In Angiosperms,Ovule : Seed :: Ovary : ...

The fruits and seeds which are either sticky or have different types of outgrowths are capable of undergoing:

The megasporangium of the angiosperms on maturation gives rise to:

Assertion: Coconut tree is distributed in coastal areas over a large part of the world.
Reason: Coconut fruit can float and get dispersed over thousands of kilometers before losing viability.

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