The advantages of the reduced gametophytes in seed plants include the advantages of the reduced gametophytes in seed plants include protection of the spores from ultraviolet radiation and drying out, and gain of nutrients from the sporophyte protection from ultraviolet radiation, gain of nutrients from the sporophyte, and protection from drying out development of the seed protection from ultraviolet radiation, gain of nutrients from its own photosynthesis, and protection from drying out