this video contains an explanation of biological material about seed plants (seed) or spermatophyta. Seed plants or Spermatophyta (in Greek, sperm means seeds, phyta means plants) is a group of plants (kingdom plantae) that has a characteristic, namely the existence of an organ in the form of seeds. The seeds are part of the ovaries and contain new individual candidates, namely institutions. Institutions will occur after pollination or persarianism followed by fertilization.

in this video, also explained about the characteristics of seed plants (spermatophyta) and how the breeding of these plants