Answers:
In angiosperms, the female gametophyte (or ovule) is in the ovary, while in gymnosperms the ovule is exposed on the female cone.
The evolution of the flower helped in seed dispersal through pollinators.
The fruits are structures used by plants to disperse their seeds. Dehiscent fruits are split open at maturity to release their seeds, while indehiscent fruits do not split open