No, seeds plants do not produce rhizoids.
yes, they are flowering plants and produce seed
Because the seed determines the color of the berries, and it is easier to spot for the person that picks them up.
All leguminous plants produce seed pods form their ovaries after pollination and fertilization of egg inside ovules.
These are the seed pods and are poisonous.
egg
The seed produces another generation of that plant after germination.
amenerthey both produce more plants and
Angiosperms.Both Angiosperms and Gymnosperms produce seed therefore have flowers however insignificant. The term Spermaphyte covers all plants that produce flowers.
Apparently mulunggay plants reproduce by seed. The plants produce pods which contain the seed. Also it is common in the Philippines to grow plants from cuttings.
I have some bad news for you. You can not ever harvest celery seed from a lovage plant. Celery plants produce celery seeds and lovage plants produce lovage seeds.
Seed plants are characterized by the presence of ovules and pollen grains and after pollination and fertilization produce seeds from their ovules.