On germination, a seed first produces shoots with leaves and flowers appear later

On germination, a seed first produces shoots with leaves and flowers appear later.
(i) Why do you think this happens? (ii) How is this advantageous to the plant?

(i) On germination, a seed first produces shoots with leaves, flowers appear later, because the flower hormone florigen is synthesised in the leaves and is transmitted to the growing points where flowering occurs.
(ii) Photosynthesis provides energy and substrate which are used during dark period.